Home / 718,308.55-1,077,462.81-682,390.15

Finding the Fourth Proportional to 718,308.55, 1,077,462.81 and 682,390.15

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Solution

The fourth proportional to 718,308.55, 1,077,462.81 and 682,390.15 is: 1,023,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,308.55 : 1,077,462.81 = 682,390.15 : x
  2. Step 2: Convert to fraction form
    718,308.55/1,077,462.81 = 682,390.15/x
  3. Step 3: Cross multiply
    718,308.55x = 1,077,462.81 × 682,390.15
  4. Step 4: Simplify right side
    718,308.55x = 735,250,005,841.66
  5. Step 5: Solve for x
    x = 735,250,005,841.66/718,308.55
  6. Step 6: Final answer
    x = 1,023,585.21

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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.