Home / 840,548.84-1,159,951.90-477,972.72

Finding the Fourth Proportional to 840,548.84, 1,159,951.90 and 477,972.72

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Solution

The fourth proportional to 840,548.84, 1,159,951.90 and 477,972.72 is: 659,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,548.84 : 1,159,951.90 = 477,972.72 : x
  2. Step 2: Convert to fraction form
    840,548.84/1,159,951.90 = 477,972.72/x
  3. Step 3: Cross multiply
    840,548.84x = 1,159,951.90 × 477,972.72
  4. Step 4: Simplify right side
    840,548.84x = 554,425,364,712.17
  5. Step 5: Solve for x
    x = 554,425,364,712.17/840,548.84
  6. Step 6: Final answer
    x = 659,599.23

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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.