Home / 731,800.20-1,009,915.36-452,458.20

Finding the Fourth Proportional to 731,800.20, 1,009,915.36 and 452,458.20

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Solution

The fourth proportional to 731,800.20, 1,009,915.36 and 452,458.20 is: 624,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,800.20 : 1,009,915.36 = 452,458.20 : x
  2. Step 2: Convert to fraction form
    731,800.20/1,009,915.36 = 452,458.20/x
  3. Step 3: Cross multiply
    731,800.20x = 1,009,915.36 × 452,458.20
  4. Step 4: Simplify right side
    731,800.20x = 456,944,485,937.95
  5. Step 5: Solve for x
    x = 456,944,485,937.95/731,800.20
  6. Step 6: Final answer
    x = 624,411.53

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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.