Home / 782,056.04-1,079,260.08-442,517

Finding the Fourth Proportional to 782,056.04, 1,079,260.08 and 442,517

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Solution

The fourth proportional to 782,056.04, 1,079,260.08 and 442,517 is: 610,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,056.04 : 1,079,260.08 = 442,517 : x
  2. Step 2: Convert to fraction form
    782,056.04/1,079,260.08 = 442,517/x
  3. Step 3: Cross multiply
    782,056.04x = 1,079,260.08 × 442,517
  4. Step 4: Simplify right side
    782,056.04x = 477,590,932,821.36
  5. Step 5: Solve for x
    x = 477,590,932,821.36/782,056.04
  6. Step 6: Final answer
    x = 610,686.33

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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.