Home / 658,964.24-988,439.16-160,328.72

Finding the Fourth Proportional to 658,964.24, 988,439.16 and 160,328.72

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Solution

The fourth proportional to 658,964.24, 988,439.16 and 160,328.72 is: 240,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964.24 : 988,439.16 = 160,328.72 : x
  2. Step 2: Convert to fraction form
    658,964.24/988,439.16 = 160,328.72/x
  3. Step 3: Cross multiply
    658,964.24x = 988,439.16 × 160,328.72
  4. Step 4: Simplify right side
    658,964.24x = 158,475,185,320.68
  5. Step 5: Solve for x
    x = 158,475,185,320.68/658,964.24
  6. Step 6: Final answer
    x = 240,491.33

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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.