Home / 840,527.82-1,159,922.88-477,951.72

Finding the Fourth Proportional to 840,527.82, 1,159,922.88 and 477,951.72

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Solution

The fourth proportional to 840,527.82, 1,159,922.88 and 477,951.72 is: 659,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,527.82 : 1,159,922.88 = 477,951.72 : x
  2. Step 2: Convert to fraction form
    840,527.82/1,159,922.88 = 477,951.72/x
  3. Step 3: Cross multiply
    840,527.82x = 1,159,922.88 × 477,951.72
  4. Step 4: Simplify right side
    840,527.82x = 554,387,135,563.35
  5. Step 5: Solve for x
    x = 554,387,135,563.35/840,527.82
  6. Step 6: Final answer
    x = 659,570.24

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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.