Home / 691,256.73-1,037,355.31-424,202.16

Finding the Fourth Proportional to 691,256.73, 1,037,355.31 and 424,202.16

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Solution

The fourth proportional to 691,256.73, 1,037,355.31 and 424,202.16 is: 636,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,256.73 : 1,037,355.31 = 424,202.16 : x
  2. Step 2: Convert to fraction form
    691,256.73/1,037,355.31 = 424,202.16/x
  3. Step 3: Cross multiply
    691,256.73x = 1,037,355.31 × 424,202.16
  4. Step 4: Simplify right side
    691,256.73x = 440,048,365,223.67
  5. Step 5: Solve for x
    x = 440,048,365,223.67/691,256.73
  6. Step 6: Final answer
    x = 636,591.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.