Home / 752,511.59-1,128,939.77-326,119

Finding the Fourth Proportional to 752,511.59, 1,128,939.77 and 326,119

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Solution

The fourth proportional to 752,511.59, 1,128,939.77 and 326,119 is: 489,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,511.59 : 1,128,939.77 = 326,119 : x
  2. Step 2: Convert to fraction form
    752,511.59/1,128,939.77 = 326,119/x
  3. Step 3: Cross multiply
    752,511.59x = 1,128,939.77 × 326,119
  4. Step 4: Simplify right side
    752,511.59x = 368,168,708,852.63
  5. Step 5: Solve for x
    x = 368,168,708,852.63/752,511.59
  6. Step 6: Final answer
    x = 489,253.21

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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.