Home / 719,441.91-1,078,909.52-239,539.38

Finding the Fourth Proportional to 719,441.91, 1,078,909.52 and 239,539.38

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Solution

The fourth proportional to 719,441.91, 1,078,909.52 and 239,539.38 is: 359,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,441.91 : 1,078,909.52 = 239,539.38 : x
  2. Step 2: Convert to fraction form
    719,441.91/1,078,909.52 = 239,539.38/x
  3. Step 3: Cross multiply
    719,441.91x = 1,078,909.52 × 239,539.38
  4. Step 4: Simplify right side
    719,441.91x = 258,441,316,299.20
  5. Step 5: Solve for x
    x = 258,441,316,299.20/719,441.91
  6. Step 6: Final answer
    x = 359,224.72

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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.