Home / 485,125.20-727,687.80-366,152.40

Finding the Fourth Proportional to 485,125.20, 727,687.80 and 366,152.40

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Solution

The fourth proportional to 485,125.20, 727,687.80 and 366,152.40 is: 549,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,125.20 : 727,687.80 = 366,152.40 : x
  2. Step 2: Convert to fraction form
    485,125.20/727,687.80 = 366,152.40/x
  3. Step 3: Cross multiply
    485,125.20x = 727,687.80 × 366,152.40
  4. Step 4: Simplify right side
    485,125.20x = 266,444,634,420.72
  5. Step 5: Solve for x
    x = 266,444,634,420.72/485,125.20
  6. Step 6: Final answer
    x = 549,228.60

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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.