Home / 719,654.52-1,078,108.02-403,154.04

Finding the Fourth Proportional to 719,654.52, 1,078,108.02 and 403,154.04

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Solution

The fourth proportional to 719,654.52, 1,078,108.02 and 403,154.04 is: 603,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,654.52 : 1,078,108.02 = 403,154.04 : x
  2. Step 2: Convert to fraction form
    719,654.52/1,078,108.02 = 403,154.04/x
  3. Step 3: Cross multiply
    719,654.52x = 1,078,108.02 × 403,154.04
  4. Step 4: Simplify right side
    719,654.52x = 434,643,603,819.40
  5. Step 5: Solve for x
    x = 434,643,603,819.40/719,654.52
  6. Step 6: Final answer
    x = 603,961.47

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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.