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Finding the Fourth Proportional to 632,901.06, 873,527.94 and 479,671.98

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Solution

The fourth proportional to 632,901.06, 873,527.94 and 479,671.98 is: 662,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,901.06 : 873,527.94 = 479,671.98 : x
  2. Step 2: Convert to fraction form
    632,901.06/873,527.94 = 479,671.98/x
  3. Step 3: Cross multiply
    632,901.06x = 873,527.94 × 479,671.98
  4. Step 4: Simplify right side
    632,901.06x = 419,006,876,565.12
  5. Step 5: Solve for x
    x = 419,006,876,565.12/632,901.06
  6. Step 6: Final answer
    x = 662,041.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.