Home / 731,978.68-1,098,056.58-258,567.16

Finding the Fourth Proportional to 731,978.68, 1,098,056.58 and 258,567.16

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Solution

The fourth proportional to 731,978.68, 1,098,056.58 and 258,567.16 is: 387,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,978.68 : 1,098,056.58 = 258,567.16 : x
  2. Step 2: Convert to fraction form
    731,978.68/1,098,056.58 = 258,567.16/x
  3. Step 3: Cross multiply
    731,978.68x = 1,098,056.58 × 258,567.16
  4. Step 4: Simplify right side
    731,978.68x = 283,921,371,409.91
  5. Step 5: Solve for x
    x = 283,921,371,409.91/731,978.68
  6. Step 6: Final answer
    x = 387,882.02

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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.