Home / 991,598.24-1,487,371.23-281,626.35

Finding the Fourth Proportional to 991,598.24, 1,487,371.23 and 281,626.35

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Solution

The fourth proportional to 991,598.24, 1,487,371.23 and 281,626.35 is: 422,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,598.24 : 1,487,371.23 = 281,626.35 : x
  2. Step 2: Convert to fraction form
    991,598.24/1,487,371.23 = 281,626.35/x
  3. Step 3: Cross multiply
    991,598.24x = 1,487,371.23 × 281,626.35
  4. Step 4: Simplify right side
    991,598.24x = 418,882,930,599.91
  5. Step 5: Solve for x
    x = 418,882,930,599.91/991,598.24
  6. Step 6: Final answer
    x = 422,432.11

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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.