Home / 948,900.30-1,309,481.55-519,182.16

Finding the Fourth Proportional to 948,900.30, 1,309,481.55 and 519,182.16

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Solution

The fourth proportional to 948,900.30, 1,309,481.55 and 519,182.16 is: 716,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,900.30 : 1,309,481.55 = 519,182.16 : x
  2. Step 2: Convert to fraction form
    948,900.30/1,309,481.55 = 519,182.16/x
  3. Step 3: Cross multiply
    948,900.30x = 1,309,481.55 × 519,182.16
  4. Step 4: Simplify right side
    948,900.30x = 679,859,459,609.15
  5. Step 5: Solve for x
    x = 679,859,459,609.15/948,900.30
  6. Step 6: Final answer
    x = 716,470.91

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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.