Home / 794,325.40-1,191,488.10-458,402.20

Finding the Fourth Proportional to 794,325.40, 1,191,488.10 and 458,402.20

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Solution

The fourth proportional to 794,325.40, 1,191,488.10 and 458,402.20 is: 687,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,325.40 : 1,191,488.10 = 458,402.20 : x
  2. Step 2: Convert to fraction form
    794,325.40/1,191,488.10 = 458,402.20/x
  3. Step 3: Cross multiply
    794,325.40x = 1,191,488.10 × 458,402.20
  4. Step 4: Simplify right side
    794,325.40x = 546,180,766,313.82
  5. Step 5: Solve for x
    x = 546,180,766,313.82/794,325.40
  6. Step 6: Final answer
    x = 687,603.30

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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.