Home / 906,408.80-1,359,613.20-434,016.80

Finding the Fourth Proportional to 906,408.80, 1,359,613.20 and 434,016.80

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Solution

The fourth proportional to 906,408.80, 1,359,613.20 and 434,016.80 is: 651,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,408.80 : 1,359,613.20 = 434,016.80 : x
  2. Step 2: Convert to fraction form
    906,408.80/1,359,613.20 = 434,016.80/x
  3. Step 3: Cross multiply
    906,408.80x = 1,359,613.20 × 434,016.80
  4. Step 4: Simplify right side
    906,408.80x = 590,094,970,301.76
  5. Step 5: Solve for x
    x = 590,094,970,301.76/906,408.80
  6. Step 6: Final answer
    x = 651,025.20

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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.