Home / 915,457.74-1,373,977.17-635,171.82

Finding the Fourth Proportional to 915,457.74, 1,373,977.17 and 635,171.82

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Solution

The fourth proportional to 915,457.74, 1,373,977.17 and 635,171.82 is: 953,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,457.74 : 1,373,977.17 = 635,171.82 : x
  2. Step 2: Convert to fraction form
    915,457.74/1,373,977.17 = 635,171.82/x
  3. Step 3: Cross multiply
    915,457.74x = 1,373,977.17 × 635,171.82
  4. Step 4: Simplify right side
    915,457.74x = 872,711,579,707.35
  5. Step 5: Solve for x
    x = 872,711,579,707.35/915,457.74
  6. Step 6: Final answer
    x = 953,306.24

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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.