Home / 887,938.80-1,331,908.20-604,503.60

Finding the Fourth Proportional to 887,938.80, 1,331,908.20 and 604,503.60

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Solution

The fourth proportional to 887,938.80, 1,331,908.20 and 604,503.60 is: 906,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,938.80 : 1,331,908.20 = 604,503.60 : x
  2. Step 2: Convert to fraction form
    887,938.80/1,331,908.20 = 604,503.60/x
  3. Step 3: Cross multiply
    887,938.80x = 1,331,908.20 × 604,503.60
  4. Step 4: Simplify right side
    887,938.80x = 805,143,301,769.52
  5. Step 5: Solve for x
    x = 805,143,301,769.52/887,938.80
  6. Step 6: Final answer
    x = 906,755.40

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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.