Home / 902,524.40-1,245,481.08-500,116.40

Finding the Fourth Proportional to 902,524.40, 1,245,481.08 and 500,116.40

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Solution

The fourth proportional to 902,524.40, 1,245,481.08 and 500,116.40 is: 690,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,524.40 : 1,245,481.08 = 500,116.40 : x
  2. Step 2: Convert to fraction form
    902,524.40/1,245,481.08 = 500,116.40/x
  3. Step 3: Cross multiply
    902,524.40x = 1,245,481.08 × 500,116.40
  4. Step 4: Simplify right side
    902,524.40x = 622,885,513,997.71
  5. Step 5: Solve for x
    x = 622,885,513,997.71/902,524.40
  6. Step 6: Final answer
    x = 690,159.20

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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.