Home / 442,831.10-664,311.45-232,484.90

Finding the Fourth Proportional to 442,831.10, 664,311.45 and 232,484.90

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Solution

The fourth proportional to 442,831.10, 664,311.45 and 232,484.90 is: 348,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,831.10 : 664,311.45 = 232,484.90 : x
  2. Step 2: Convert to fraction form
    442,831.10/664,311.45 = 232,484.90/x
  3. Step 3: Cross multiply
    442,831.10x = 664,311.45 × 232,484.90
  4. Step 4: Simplify right side
    442,831.10x = 154,442,381,022.11
  5. Step 5: Solve for x
    x = 154,442,381,022.11/442,831.10
  6. Step 6: Final answer
    x = 348,761.37

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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.