Home / 925,337.70-1,388,006.55-889,908.30

Finding the Fourth Proportional to 925,337.70, 1,388,006.55 and 889,908.30

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Solution

The fourth proportional to 925,337.70, 1,388,006.55 and 889,908.30 is: 1,334,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,337.70 : 1,388,006.55 = 889,908.30 : x
  2. Step 2: Convert to fraction form
    925,337.70/1,388,006.55 = 889,908.30/x
  3. Step 3: Cross multiply
    925,337.70x = 1,388,006.55 × 889,908.30
  4. Step 4: Simplify right side
    925,337.70x = 1,235,198,549,299.37
  5. Step 5: Solve for x
    x = 1,235,198,549,299.37/925,337.70
  6. Step 6: Final answer
    x = 1,334,862.45

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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.