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Finding the Fourth Proportional to 522,225.83, 720,673.47 and 328,761.53

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Solution

The fourth proportional to 522,225.83, 720,673.47 and 328,761.53 is: 453,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,225.83 : 720,673.47 = 328,761.53 : x
  2. Step 2: Convert to fraction form
    522,225.83/720,673.47 = 328,761.53/x
  3. Step 3: Cross multiply
    522,225.83x = 720,673.47 × 328,761.53
  4. Step 4: Simplify right side
    522,225.83x = 236,929,712,627.61
  5. Step 5: Solve for x
    x = 236,929,712,627.61/522,225.83
  6. Step 6: Final answer
    x = 453,692.06

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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.