Home / 904,709.85-1,248,411.22-522,728.43

Finding the Fourth Proportional to 904,709.85, 1,248,411.22 and 522,728.43

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Solution

The fourth proportional to 904,709.85, 1,248,411.22 and 522,728.43 is: 721,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,709.85 : 1,248,411.22 = 522,728.43 : x
  2. Step 2: Convert to fraction form
    904,709.85/1,248,411.22 = 522,728.43/x
  3. Step 3: Cross multiply
    904,709.85x = 1,248,411.22 × 522,728.43
  4. Step 4: Simplify right side
    904,709.85x = 652,580,037,024.99
  5. Step 5: Solve for x
    x = 652,580,037,024.99/904,709.85
  6. Step 6: Final answer
    x = 721,314.17

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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.