Home / 675,036.80-1,012,555.20-615,939.20

Finding the Fourth Proportional to 675,036.80, 1,012,555.20 and 615,939.20

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Solution

The fourth proportional to 675,036.80, 1,012,555.20 and 615,939.20 is: 923,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,036.80 : 1,012,555.20 = 615,939.20 : x
  2. Step 2: Convert to fraction form
    675,036.80/1,012,555.20 = 615,939.20/x
  3. Step 3: Cross multiply
    675,036.80x = 1,012,555.20 × 615,939.20
  4. Step 4: Simplify right side
    675,036.80x = 623,672,439,843.84
  5. Step 5: Solve for x
    x = 623,672,439,843.84/675,036.80
  6. Step 6: Final answer
    x = 923,908.80

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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.