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Finding the Fourth Proportional to 549,325.92, 758,007.12 and 307,574.88

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Solution

The fourth proportional to 549,325.92, 758,007.12 and 307,574.88 is: 424,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,325.92 : 758,007.12 = 307,574.88 : x
  2. Step 2: Convert to fraction form
    549,325.92/758,007.12 = 307,574.88/x
  3. Step 3: Cross multiply
    549,325.92x = 758,007.12 × 307,574.88
  4. Step 4: Simplify right side
    549,325.92x = 233,143,948,973.15
  5. Step 5: Solve for x
    x = 233,143,948,973.15/549,325.92
  6. Step 6: Final answer
    x = 424,418.26

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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.