Home / 558,681.12-771,059.28-317,023.20

Finding the Fourth Proportional to 558,681.12, 771,059.28 and 317,023.20

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Solution

The fourth proportional to 558,681.12, 771,059.28 and 317,023.20 is: 437,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,681.12 : 771,059.28 = 317,023.20 : x
  2. Step 2: Convert to fraction form
    558,681.12/771,059.28 = 317,023.20/x
  3. Step 3: Cross multiply
    558,681.12x = 771,059.28 × 317,023.20
  4. Step 4: Simplify right side
    558,681.12x = 244,443,680,335.30
  5. Step 5: Solve for x
    x = 244,443,680,335.30/558,681.12
  6. Step 6: Final answer
    x = 437,537.03

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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.