Home / 832,071.20-1,147,893.53-487,732.55

Finding the Fourth Proportional to 832,071.20, 1,147,893.53 and 487,732.55

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Solution

The fourth proportional to 832,071.20, 1,147,893.53 and 487,732.55 is: 672,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,071.20 : 1,147,893.53 = 487,732.55 : x
  2. Step 2: Convert to fraction form
    832,071.20/1,147,893.53 = 487,732.55/x
  3. Step 3: Cross multiply
    832,071.20x = 1,147,893.53 × 487,732.55
  4. Step 4: Simplify right side
    832,071.20x = 559,865,030,337.27
  5. Step 5: Solve for x
    x = 559,865,030,337.27/832,071.20
  6. Step 6: Final answer
    x = 672,857.12

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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.