Home / 840,227.34-1,159,613.38-477,705.90

Finding the Fourth Proportional to 840,227.34, 1,159,613.38 and 477,705.90

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Solution

The fourth proportional to 840,227.34, 1,159,613.38 and 477,705.90 is: 659,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,227.34 : 1,159,613.38 = 477,705.90 : x
  2. Step 2: Convert to fraction form
    840,227.34/1,159,613.38 = 477,705.90/x
  3. Step 3: Cross multiply
    840,227.34x = 1,159,613.38 × 477,705.90
  4. Step 4: Simplify right side
    840,227.34x = 553,954,153,344.94
  5. Step 5: Solve for x
    x = 553,954,153,344.94/840,227.34
  6. Step 6: Final answer
    x = 659,290.80

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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.