Home / 691,257.86-1,037,357.00-424,203.29

Finding the Fourth Proportional to 691,257.86, 1,037,357.00 and 424,203.29

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Solution

The fourth proportional to 691,257.86, 1,037,357.00 and 424,203.29 is: 636,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,257.86 : 1,037,357.00 = 424,203.29 : x
  2. Step 2: Convert to fraction form
    691,257.86/1,037,357.00 = 424,203.29/x
  3. Step 3: Cross multiply
    691,257.86x = 1,037,357.00 × 424,203.29
  4. Step 4: Simplify right side
    691,257.86x = 440,050,250,477.58
  5. Step 5: Solve for x
    x = 440,050,250,477.58/691,257.86
  6. Step 6: Final answer
    x = 636,593.49

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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.