Home / 766,955.52-1,058,676.48-465,143.04

Finding the Fourth Proportional to 766,955.52, 1,058,676.48 and 465,143.04

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Solution

The fourth proportional to 766,955.52, 1,058,676.48 and 465,143.04 is: 642,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,955.52 : 1,058,676.48 = 465,143.04 : x
  2. Step 2: Convert to fraction form
    766,955.52/1,058,676.48 = 465,143.04/x
  3. Step 3: Cross multiply
    766,955.52x = 1,058,676.48 × 465,143.04
  4. Step 4: Simplify right side
    766,955.52x = 492,435,996,283.70
  5. Step 5: Solve for x
    x = 492,435,996,283.70/766,955.52
  6. Step 6: Final answer
    x = 642,065.91

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1.5x scale

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.