Home / 782,975.57-1,080,582.12-438,869.95

Finding the Fourth Proportional to 782,975.57, 1,080,582.12 and 438,869.95

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Solution

The fourth proportional to 782,975.57, 1,080,582.12 and 438,869.95 is: 605,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,975.57 : 1,080,582.12 = 438,869.95 : x
  2. Step 2: Convert to fraction form
    782,975.57/1,080,582.12 = 438,869.95/x
  3. Step 3: Cross multiply
    782,975.57x = 1,080,582.12 × 438,869.95
  4. Step 4: Simplify right side
    782,975.57x = 474,235,018,273.84
  5. Step 5: Solve for x
    x = 474,235,018,273.84/782,975.57
  6. Step 6: Final answer
    x = 605,683.04

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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.