Home / 915,459.74-1,373,980.17-635,173.82

Finding the Fourth Proportional to 915,459.74, 1,373,980.17 and 635,173.82

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Solution

The fourth proportional to 915,459.74, 1,373,980.17 and 635,173.82 is: 953,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,459.74 : 1,373,980.17 = 635,173.82 : x
  2. Step 2: Convert to fraction form
    915,459.74/1,373,980.17 = 635,173.82/x
  3. Step 3: Cross multiply
    915,459.74x = 1,373,980.17 × 635,173.82
  4. Step 4: Simplify right side
    915,459.74x = 872,716,233,183.15
  5. Step 5: Solve for x
    x = 872,716,233,183.15/915,459.74
  6. Step 6: Final answer
    x = 953,309.24

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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.