Home / 741,651.90-1,112,477.85-458,216.70

Finding the Fourth Proportional to 741,651.90, 1,112,477.85 and 458,216.70

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Solution

The fourth proportional to 741,651.90, 1,112,477.85 and 458,216.70 is: 687,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,651.90 : 1,112,477.85 = 458,216.70 : x
  2. Step 2: Convert to fraction form
    741,651.90/1,112,477.85 = 458,216.70/x
  3. Step 3: Cross multiply
    741,651.90x = 1,112,477.85 × 458,216.70
  4. Step 4: Simplify right side
    741,651.90x = 509,755,929,250.10
  5. Step 5: Solve for x
    x = 509,755,929,250.10/741,651.90
  6. Step 6: Final answer
    x = 687,325.05

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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.