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Finding the Fourth Proportional to 549,439.66, 825,426.51 and 526,739.52

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Solution

The fourth proportional to 549,439.66, 825,426.51 and 526,739.52 is: 791,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,439.66 : 825,426.51 = 526,739.52 : x
  2. Step 2: Convert to fraction form
    549,439.66/825,426.51 = 526,739.52/x
  3. Step 3: Cross multiply
    549,439.66x = 825,426.51 × 526,739.52
  4. Step 4: Simplify right side
    549,439.66x = 434,784,763,672.68
  5. Step 5: Solve for x
    x = 434,784,763,672.68/549,439.66
  6. Step 6: Final answer
    x = 791,323.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.