Home / 542,926.20-749,242.26-297,909.30

Finding the Fourth Proportional to 542,926.20, 749,242.26 and 297,909.30

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Solution

The fourth proportional to 542,926.20, 749,242.26 and 297,909.30 is: 411,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,926.20 : 749,242.26 = 297,909.30 : x
  2. Step 2: Convert to fraction form
    542,926.20/749,242.26 = 297,909.30/x
  3. Step 3: Cross multiply
    542,926.20x = 749,242.26 × 297,909.30
  4. Step 4: Simplify right side
    542,926.20x = 223,206,237,207.02
  5. Step 5: Solve for x
    x = 223,206,237,207.02/542,926.20
  6. Step 6: Final answer
    x = 411,117.09

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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.