Home / 731,499.05-1,097,021.68-258,073.70

Finding the Fourth Proportional to 731,499.05, 1,097,021.68 and 258,073.70

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Solution

The fourth proportional to 731,499.05, 1,097,021.68 and 258,073.70 is: 387,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,499.05 : 1,097,021.68 = 258,073.70 : x
  2. Step 2: Convert to fraction form
    731,499.05/1,097,021.68 = 258,073.70/x
  3. Step 3: Cross multiply
    731,499.05x = 1,097,021.68 × 258,073.70
  4. Step 4: Simplify right side
    731,499.05x = 283,112,437,807.52
  5. Step 5: Solve for x
    x = 283,112,437,807.52/731,499.05
  6. Step 6: Final answer
    x = 387,030.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.