Home / 948,692.95-1,420,758.91-542,654.53

Finding the Fourth Proportional to 948,692.95, 1,420,758.91 and 542,654.53

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Solution

The fourth proportional to 948,692.95, 1,420,758.91 and 542,654.53 is: 812,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,692.95 : 1,420,758.91 = 542,654.53 : x
  2. Step 2: Convert to fraction form
    948,692.95/1,420,758.91 = 542,654.53/x
  3. Step 3: Cross multiply
    948,692.95x = 1,420,758.91 × 542,654.53
  4. Step 4: Simplify right side
    948,692.95x = 770,981,258,549.36
  5. Step 5: Solve for x
    x = 770,981,258,549.36/948,692.95
  6. Step 6: Final answer
    x = 812,677.34

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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.