Home / 655,238.74-904,508.47-440,503.36

Finding the Fourth Proportional to 655,238.74, 904,508.47 and 440,503.36

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Solution

The fourth proportional to 655,238.74, 904,508.47 and 440,503.36 is: 608,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,238.74 : 904,508.47 = 440,503.36 : x
  2. Step 2: Convert to fraction form
    655,238.74/904,508.47 = 440,503.36/x
  3. Step 3: Cross multiply
    655,238.74x = 904,508.47 × 440,503.36
  4. Step 4: Simplify right side
    655,238.74x = 398,439,020,183.46
  5. Step 5: Solve for x
    x = 398,439,020,183.46/655,238.74
  6. Step 6: Final answer
    x = 608,082.21

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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.