Home / 902,402.10-1,353,603.15-897,153.30

Finding the Fourth Proportional to 902,402.10, 1,353,603.15 and 897,153.30

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Solution

The fourth proportional to 902,402.10, 1,353,603.15 and 897,153.30 is: 1,345,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,402.10 : 1,353,603.15 = 897,153.30 : x
  2. Step 2: Convert to fraction form
    902,402.10/1,353,603.15 = 897,153.30/x
  3. Step 3: Cross multiply
    902,402.10x = 1,353,603.15 × 897,153.30
  4. Step 4: Simplify right side
    902,402.10x = 1,214,389,532,912.90
  5. Step 5: Solve for x
    x = 1,214,389,532,912.90/902,402.10
  6. Step 6: Final answer
    x = 1,345,729.95

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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.