Home / 840,788.76-1,160,313.24-458,840.28

Finding the Fourth Proportional to 840,788.76, 1,160,313.24 and 458,840.28

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Solution

The fourth proportional to 840,788.76, 1,160,313.24 and 458,840.28 is: 633,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,788.76 : 1,160,313.24 = 458,840.28 : x
  2. Step 2: Convert to fraction form
    840,788.76/1,160,313.24 = 458,840.28/x
  3. Step 3: Cross multiply
    840,788.76x = 1,160,313.24 × 458,840.28
  4. Step 4: Simplify right side
    840,788.76x = 532,398,451,929.31
  5. Step 5: Solve for x
    x = 532,398,451,929.31/840,788.76
  6. Step 6: Final answer
    x = 633,213.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.