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Finding the Fourth Proportional to 440,831.52, 662,022.54 and 434,520.72

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Solution

The fourth proportional to 440,831.52, 662,022.54 and 434,520.72 is: 652,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,831.52 : 662,022.54 = 434,520.72 : x
  2. Step 2: Convert to fraction form
    440,831.52/662,022.54 = 434,520.72/x
  3. Step 3: Cross multiply
    440,831.52x = 662,022.54 × 434,520.72
  4. Step 4: Simplify right side
    440,831.52x = 287,662,510,737.03
  5. Step 5: Solve for x
    x = 287,662,510,737.03/440,831.52
  6. Step 6: Final answer
    x = 652,545.24

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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.