Home / 747,733.07-1,031,866.39-408,201.32

Finding the Fourth Proportional to 747,733.07, 1,031,866.39 and 408,201.32

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Solution

The fourth proportional to 747,733.07, 1,031,866.39 and 408,201.32 is: 563,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,733.07 : 1,031,866.39 = 408,201.32 : x
  2. Step 2: Convert to fraction form
    747,733.07/1,031,866.39 = 408,201.32/x
  3. Step 3: Cross multiply
    747,733.07x = 1,031,866.39 × 408,201.32
  4. Step 4: Simplify right side
    747,733.07x = 421,209,225,551.55
  5. Step 5: Solve for x
    x = 421,209,225,551.55/747,733.07
  6. Step 6: Final answer
    x = 563,314.96

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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.