Home / 864,200.90-1,296,301.35-549,013.70

Finding the Fourth Proportional to 864,200.90, 1,296,301.35 and 549,013.70

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Solution

The fourth proportional to 864,200.90, 1,296,301.35 and 549,013.70 is: 823,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,200.90 : 1,296,301.35 = 549,013.70 : x
  2. Step 2: Convert to fraction form
    864,200.90/1,296,301.35 = 549,013.70/x
  3. Step 3: Cross multiply
    864,200.90x = 1,296,301.35 × 549,013.70
  4. Step 4: Simplify right side
    864,200.90x = 711,687,200,478.50
  5. Step 5: Solve for x
    x = 711,687,200,478.50/864,200.90
  6. Step 6: Final answer
    x = 823,520.55

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Double scale
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Similar ratio
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1.5x scale

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.