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Finding the Fourth Proportional to 542,950.32, 749,275.44 and 297,933.36

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Solution

The fourth proportional to 542,950.32, 749,275.44 and 297,933.36 is: 411,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,950.32 : 749,275.44 = 297,933.36 : x
  2. Step 2: Convert to fraction form
    542,950.32/749,275.44 = 297,933.36/x
  3. Step 3: Cross multiply
    542,950.32x = 749,275.44 × 297,933.36
  4. Step 4: Simplify right side
    542,950.32x = 223,234,149,404.68
  5. Step 5: Solve for x
    x = 223,234,149,404.68/542,950.32
  6. Step 6: Final answer
    x = 411,150.23

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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.