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Finding the Fourth Proportional to 549,808.08, 758,737.80 and 358,708.56

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Solution

The fourth proportional to 549,808.08, 758,737.80 and 358,708.56 is: 495,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,808.08 : 758,737.80 = 358,708.56 : x
  2. Step 2: Convert to fraction form
    549,808.08/758,737.80 = 358,708.56/x
  3. Step 3: Cross multiply
    549,808.08x = 758,737.80 × 358,708.56
  4. Step 4: Simplify right side
    549,808.08x = 272,165,743,655.57
  5. Step 5: Solve for x
    x = 272,165,743,655.57/549,808.08
  6. Step 6: Final answer
    x = 495,019.54

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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.