Home / 748,869.60-1,123,304.40-655,557.60

Finding the Fourth Proportional to 748,869.60, 1,123,304.40 and 655,557.60

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Solution

The fourth proportional to 748,869.60, 1,123,304.40 and 655,557.60 is: 983,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,869.60 : 1,123,304.40 = 655,557.60 : x
  2. Step 2: Convert to fraction form
    748,869.60/1,123,304.40 = 655,557.60/x
  3. Step 3: Cross multiply
    748,869.60x = 1,123,304.40 × 655,557.60
  4. Step 4: Simplify right side
    748,869.60x = 736,390,736,533.44
  5. Step 5: Solve for x
    x = 736,390,736,533.44/748,869.60
  6. Step 6: Final answer
    x = 983,336.40

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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.