Home / 927,780.73-1,280,418.91-540,576.02

Finding the Fourth Proportional to 927,780.73, 1,280,418.91 and 540,576.02

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Solution

The fourth proportional to 927,780.73, 1,280,418.91 and 540,576.02 is: 746,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,780.73 : 1,280,418.91 = 540,576.02 : x
  2. Step 2: Convert to fraction form
    927,780.73/1,280,418.91 = 540,576.02/x
  3. Step 3: Cross multiply
    927,780.73x = 1,280,418.91 × 540,576.02
  4. Step 4: Simplify right side
    927,780.73x = 692,163,760,150.15
  5. Step 5: Solve for x
    x = 692,163,760,150.15/927,780.73
  6. Step 6: Final answer
    x = 746,042.40

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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.