Home / 914,726.62-1,372,307.92-315,692.94

Finding the Fourth Proportional to 914,726.62, 1,372,307.92 and 315,692.94

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Solution

The fourth proportional to 914,726.62, 1,372,307.92 and 315,692.94 is: 473,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,726.62 : 1,372,307.92 = 315,692.94 : x
  2. Step 2: Convert to fraction form
    914,726.62/1,372,307.92 = 315,692.94/x
  3. Step 3: Cross multiply
    914,726.62x = 1,372,307.92 × 315,692.94
  4. Step 4: Simplify right side
    914,726.62x = 433,227,920,271.62
  5. Step 5: Solve for x
    x = 433,227,920,271.62/914,726.62
  6. Step 6: Final answer
    x = 473,614.64

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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.