Home / 791,354.61-1,185,787.15-611,878.46

Finding the Fourth Proportional to 791,354.61, 1,185,787.15 and 611,878.46

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Solution

The fourth proportional to 791,354.61, 1,185,787.15 and 611,878.46 is: 916,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,354.61 : 1,185,787.15 = 611,878.46 : x
  2. Step 2: Convert to fraction form
    791,354.61/1,185,787.15 = 611,878.46/x
  3. Step 3: Cross multiply
    791,354.61x = 1,185,787.15 × 611,878.46
  4. Step 4: Simplify right side
    791,354.61x = 725,557,607,771.16
  5. Step 5: Solve for x
    x = 725,557,607,771.16/791,354.61
  6. Step 6: Final answer
    x = 916,855.22

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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.