Home / 765,036.33-1,055,685.05-442,766.39

Finding the Fourth Proportional to 765,036.33, 1,055,685.05 and 442,766.39

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Solution

The fourth proportional to 765,036.33, 1,055,685.05 and 442,766.39 is: 610,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,036.33 : 1,055,685.05 = 442,766.39 : x
  2. Step 2: Convert to fraction form
    765,036.33/1,055,685.05 = 442,766.39/x
  3. Step 3: Cross multiply
    765,036.33x = 1,055,685.05 × 442,766.39
  4. Step 4: Simplify right side
    765,036.33x = 467,421,852,733.59
  5. Step 5: Solve for x
    x = 467,421,852,733.59/765,036.33
  6. Step 6: Final answer
    x = 610,979.95

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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.