Home / 731,311.05-1,009,203.77-409,021.14

Finding the Fourth Proportional to 731,311.05, 1,009,203.77 and 409,021.14

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Solution

The fourth proportional to 731,311.05, 1,009,203.77 and 409,021.14 is: 564,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,311.05 : 1,009,203.77 = 409,021.14 : x
  2. Step 2: Convert to fraction form
    731,311.05/1,009,203.77 = 409,021.14/x
  3. Step 3: Cross multiply
    731,311.05x = 1,009,203.77 × 409,021.14
  4. Step 4: Simplify right side
    731,311.05x = 412,785,676,497.70
  5. Step 5: Solve for x
    x = 412,785,676,497.70/731,311.05
  6. Step 6: Final answer
    x = 564,446.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.