Home / 762,304.05-1,141,931.61-458,530.43

Finding the Fourth Proportional to 762,304.05, 1,141,931.61 and 458,530.43

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Solution

The fourth proportional to 762,304.05, 1,141,931.61 and 458,530.43 is: 686,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,304.05 : 1,141,931.61 = 458,530.43 : x
  2. Step 2: Convert to fraction form
    762,304.05/1,141,931.61 = 458,530.43/x
  3. Step 3: Cross multiply
    762,304.05x = 1,141,931.61 × 458,530.43
  4. Step 4: Simplify right side
    762,304.05x = 523,610,386,454.23
  5. Step 5: Solve for x
    x = 523,610,386,454.23/762,304.05
  6. Step 6: Final answer
    x = 686,878.66

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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.