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Finding the Fourth Proportional to 549,002.88, 756,051.84 and 471,899.52

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Solution

The fourth proportional to 549,002.88, 756,051.84 and 471,899.52 is: 649,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,002.88 : 756,051.84 = 471,899.52 : x
  2. Step 2: Convert to fraction form
    549,002.88/756,051.84 = 471,899.52/x
  3. Step 3: Cross multiply
    549,002.88x = 756,051.84 × 471,899.52
  4. Step 4: Simplify right side
    549,002.88x = 356,780,500,391.12
  5. Step 5: Solve for x
    x = 356,780,500,391.12/549,002.88
  6. Step 6: Final answer
    x = 649,870.00

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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.