Home / 974,187.12-1,344,261.60-538,545.60

Finding the Fourth Proportional to 974,187.12, 1,344,261.60 and 538,545.60

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Solution

The fourth proportional to 974,187.12, 1,344,261.60 and 538,545.60 is: 743,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,187.12 : 1,344,261.60 = 538,545.60 : x
  2. Step 2: Convert to fraction form
    974,187.12/1,344,261.60 = 538,545.60/x
  3. Step 3: Cross multiply
    974,187.12x = 1,344,261.60 × 538,545.60
  4. Step 4: Simplify right side
    974,187.12x = 723,946,169,928.96
  5. Step 5: Solve for x
    x = 723,946,169,928.96/974,187.12
  6. Step 6: Final answer
    x = 743,128.46

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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.