Home / 755,731.20-1,042,910.16-411,567.86

Finding the Fourth Proportional to 755,731.20, 1,042,910.16 and 411,567.86

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Solution

The fourth proportional to 755,731.20, 1,042,910.16 and 411,567.86 is: 567,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,731.20 : 1,042,910.16 = 411,567.86 : x
  2. Step 2: Convert to fraction form
    755,731.20/1,042,910.16 = 411,567.86/x
  3. Step 3: Cross multiply
    755,731.20x = 1,042,910.16 × 411,567.86
  4. Step 4: Simplify right side
    755,731.20x = 429,228,302,723.46
  5. Step 5: Solve for x
    x = 429,228,302,723.46/755,731.20
  6. Step 6: Final answer
    x = 567,964.25

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1.5x scale

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.