Home / 906,008.80-1,359,013.20-433,616.80

Finding the Fourth Proportional to 906,008.80, 1,359,013.20 and 433,616.80

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Solution

The fourth proportional to 906,008.80, 1,359,013.20 and 433,616.80 is: 650,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,008.80 : 1,359,013.20 = 433,616.80 : x
  2. Step 2: Convert to fraction form
    906,008.80/1,359,013.20 = 433,616.80/x
  3. Step 3: Cross multiply
    906,008.80x = 1,359,013.20 × 433,616.80
  4. Step 4: Simplify right side
    906,008.80x = 589,290,954,941.76
  5. Step 5: Solve for x
    x = 589,290,954,941.76/906,008.80
  6. Step 6: Final answer
    x = 650,425.20

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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.