Home / 870,083.28-1,201,229.70-548,069.40

Finding the Fourth Proportional to 870,083.28, 1,201,229.70 and 548,069.40

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Solution

The fourth proportional to 870,083.28, 1,201,229.70 and 548,069.40 is: 756,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,083.28 : 1,201,229.70 = 548,069.40 : x
  2. Step 2: Convert to fraction form
    870,083.28/1,201,229.70 = 548,069.40/x
  3. Step 3: Cross multiply
    870,083.28x = 1,201,229.70 × 548,069.40
  4. Step 4: Simplify right side
    870,083.28x = 658,357,240,941.18
  5. Step 5: Solve for x
    x = 658,357,240,941.18/870,083.28
  6. Step 6: Final answer
    x = 756,660.03

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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.