Home / 549,037.20-822,864.60-486,829.20

Finding the Fourth Proportional to 549,037.20, 822,864.60 and 486,829.20

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Solution

The fourth proportional to 549,037.20, 822,864.60 and 486,829.20 is: 729,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,037.20 : 822,864.60 = 486,829.20 : x
  2. Step 2: Convert to fraction form
    549,037.20/822,864.60 = 486,829.20/x
  3. Step 3: Cross multiply
    549,037.20x = 822,864.60 × 486,829.20
  4. Step 4: Simplify right side
    549,037.20x = 400,594,514,926.32
  5. Step 5: Solve for x
    x = 400,594,514,926.32/549,037.20
  6. Step 6: Final answer
    x = 729,630.92

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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.