Home / 766,671.80-1,150,541.31-317,395.00

Finding the Fourth Proportional to 766,671.80, 1,150,541.31 and 317,395.00

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Solution

The fourth proportional to 766,671.80, 1,150,541.31 and 317,395.00 is: 476,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,671.80 : 1,150,541.31 = 317,395.00 : x
  2. Step 2: Convert to fraction form
    766,671.80/1,150,541.31 = 317,395.00/x
  3. Step 3: Cross multiply
    766,671.80x = 1,150,541.31 × 317,395.00
  4. Step 4: Simplify right side
    766,671.80x = 365,176,053,334.74
  5. Step 5: Solve for x
    x = 365,176,053,334.74/766,671.80
  6. Step 6: Final answer
    x = 476,313.40

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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.