Home / 731,234.58-1,009,117.59-408,980.13

Finding the Fourth Proportional to 731,234.58, 1,009,117.59 and 408,980.13

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Solution

The fourth proportional to 731,234.58, 1,009,117.59 and 408,980.13 is: 564,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,234.58 : 1,009,117.59 = 408,980.13 : x
  2. Step 2: Convert to fraction form
    731,234.58/1,009,117.59 = 408,980.13/x
  3. Step 3: Cross multiply
    731,234.58x = 1,009,117.59 × 408,980.13
  4. Step 4: Simplify right side
    731,234.58x = 412,709,043,143.49
  5. Step 5: Solve for x
    x = 412,709,043,143.49/731,234.58
  6. Step 6: Final answer
    x = 564,400.34

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Double scale
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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.