Home / 794,130.40-1,191,195.60-458,207.20

Finding the Fourth Proportional to 794,130.40, 1,191,195.60 and 458,207.20

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Solution

The fourth proportional to 794,130.40, 1,191,195.60 and 458,207.20 is: 687,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,130.40 : 1,191,195.60 = 458,207.20 : x
  2. Step 2: Convert to fraction form
    794,130.40/1,191,195.60 = 458,207.20/x
  3. Step 3: Cross multiply
    794,130.40x = 1,191,195.60 × 458,207.20
  4. Step 4: Simplify right side
    794,130.40x = 545,814,400,528.32
  5. Step 5: Solve for x
    x = 545,814,400,528.32/794,130.40
  6. Step 6: Final answer
    x = 687,310.80

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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.