Home / 810,098.20-1,215,147.30-249,132.70

Finding the Fourth Proportional to 810,098.20, 1,215,147.30 and 249,132.70

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Solution

The fourth proportional to 810,098.20, 1,215,147.30 and 249,132.70 is: 373,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,098.20 : 1,215,147.30 = 249,132.70 : x
  2. Step 2: Convert to fraction form
    810,098.20/1,215,147.30 = 249,132.70/x
  3. Step 3: Cross multiply
    810,098.20x = 1,215,147.30 × 249,132.70
  4. Step 4: Simplify right side
    810,098.20x = 302,732,927,746.71
  5. Step 5: Solve for x
    x = 302,732,927,746.71/810,098.20
  6. Step 6: Final answer
    x = 373,699.05

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Half scale
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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.