Home / 739,833.60-1,109,750.40-615,417.60

Finding the Fourth Proportional to 739,833.60, 1,109,750.40 and 615,417.60

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Solution

The fourth proportional to 739,833.60, 1,109,750.40 and 615,417.60 is: 923,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,833.60 : 1,109,750.40 = 615,417.60 : x
  2. Step 2: Convert to fraction form
    739,833.60/1,109,750.40 = 615,417.60/x
  3. Step 3: Cross multiply
    739,833.60x = 1,109,750.40 × 615,417.60
  4. Step 4: Simplify right side
    739,833.60x = 682,959,927,767.04
  5. Step 5: Solve for x
    x = 682,959,927,767.04/739,833.60
  6. Step 6: Final answer
    x = 923,126.40

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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.