Home / 898,983.90-1,348,475.85-543,815.10

Finding the Fourth Proportional to 898,983.90, 1,348,475.85 and 543,815.10

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Solution

The fourth proportional to 898,983.90, 1,348,475.85 and 543,815.10 is: 815,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,983.90 : 1,348,475.85 = 543,815.10 : x
  2. Step 2: Convert to fraction form
    898,983.90/1,348,475.85 = 543,815.10/x
  3. Step 3: Cross multiply
    898,983.90x = 1,348,475.85 × 543,815.10
  4. Step 4: Simplify right side
    898,983.90x = 733,321,529,215.34
  5. Step 5: Solve for x
    x = 733,321,529,215.34/898,983.90
  6. Step 6: Final answer
    x = 815,722.65

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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.