Home / 717,433.13-990,127.58-535,829.73

Finding the Fourth Proportional to 717,433.13, 990,127.58 and 535,829.73

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Solution

The fourth proportional to 717,433.13, 990,127.58 and 535,829.73 is: 739,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,433.13 : 990,127.58 = 535,829.73 : x
  2. Step 2: Convert to fraction form
    717,433.13/990,127.58 = 535,829.73/x
  3. Step 3: Cross multiply
    717,433.13x = 990,127.58 × 535,829.73
  4. Step 4: Simplify right side
    717,433.13x = 530,539,791,177.81
  5. Step 5: Solve for x
    x = 530,539,791,177.81/717,433.13
  6. Step 6: Final answer
    x = 739,497.21

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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.