Home / 521,333.52-719,451.18-294,979.02

Finding the Fourth Proportional to 521,333.52, 719,451.18 and 294,979.02

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Solution

The fourth proportional to 521,333.52, 719,451.18 and 294,979.02 is: 407,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,333.52 : 719,451.18 = 294,979.02 : x
  2. Step 2: Convert to fraction form
    521,333.52/719,451.18 = 294,979.02/x
  3. Step 3: Cross multiply
    521,333.52x = 719,451.18 × 294,979.02
  4. Step 4: Simplify right side
    521,333.52x = 212,223,001,316.30
  5. Step 5: Solve for x
    x = 212,223,001,316.30/521,333.52
  6. Step 6: Final answer
    x = 407,077.23

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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.