Home / 782,055.04-1,079,258.70-442,516

Finding the Fourth Proportional to 782,055.04, 1,079,258.70 and 442,516

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Solution

The fourth proportional to 782,055.04, 1,079,258.70 and 442,516 is: 610,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,055.04 : 1,079,258.70 = 442,516 : x
  2. Step 2: Convert to fraction form
    782,055.04/1,079,258.70 = 442,516/x
  3. Step 3: Cross multiply
    782,055.04x = 1,079,258.70 × 442,516
  4. Step 4: Simplify right side
    782,055.04x = 477,589,242,889.20
  5. Step 5: Solve for x
    x = 477,589,242,889.20/782,055.04
  6. Step 6: Final answer
    x = 610,684.95

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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.