Home / 726,182.20-1,087,718.10-586,214.20

Finding the Fourth Proportional to 726,182.20, 1,087,718.10 and 586,214.20

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Solution

The fourth proportional to 726,182.20, 1,087,718.10 and 586,214.20 is: 878,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,182.20 : 1,087,718.10 = 586,214.20 : x
  2. Step 2: Convert to fraction form
    726,182.20/1,087,718.10 = 586,214.20/x
  3. Step 3: Cross multiply
    726,182.20x = 1,087,718.10 × 586,214.20
  4. Step 4: Simplify right side
    726,182.20x = 637,635,795,817.02
  5. Step 5: Solve for x
    x = 637,635,795,817.02/726,182.20
  6. Step 6: Final answer
    x = 878,065.86

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1.5x scale

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.