Home / 839,951.20-1,159,163.52-477,436.04

Finding the Fourth Proportional to 839,951.20, 1,159,163.52 and 477,436.04

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Solution

The fourth proportional to 839,951.20, 1,159,163.52 and 477,436.04 is: 658,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,951.20 : 1,159,163.52 = 477,436.04 : x
  2. Step 2: Convert to fraction form
    839,951.20/1,159,163.52 = 477,436.04/x
  3. Step 3: Cross multiply
    839,951.20x = 1,159,163.52 × 477,436.04
  4. Step 4: Simplify right side
    839,951.20x = 553,426,440,701.26
  5. Step 5: Solve for x
    x = 553,426,440,701.26/839,951.20
  6. Step 6: Final answer
    x = 658,879.28

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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.