Home / 914,726.12-1,372,307.16-315,692.44

Finding the Fourth Proportional to 914,726.12, 1,372,307.16 and 315,692.44

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Solution

The fourth proportional to 914,726.12, 1,372,307.16 and 315,692.44 is: 473,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,726.12 : 1,372,307.16 = 315,692.44 : x
  2. Step 2: Convert to fraction form
    914,726.12/1,372,307.16 = 315,692.44/x
  3. Step 3: Cross multiply
    914,726.12x = 1,372,307.16 × 315,692.44
  4. Step 4: Simplify right side
    914,726.12x = 433,226,993,522.95
  5. Step 5: Solve for x
    x = 433,226,993,522.95/914,726.12
  6. Step 6: Final answer
    x = 473,613.89

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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.