Home / 980,107.76-1,352,506.80-572,232.20

Finding the Fourth Proportional to 980,107.76, 1,352,506.80 and 572,232.20

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Solution

The fourth proportional to 980,107.76, 1,352,506.80 and 572,232.20 is: 789,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,107.76 : 1,352,506.80 = 572,232.20 : x
  2. Step 2: Convert to fraction form
    980,107.76/1,352,506.80 = 572,232.20/x
  3. Step 3: Cross multiply
    980,107.76x = 1,352,506.80 × 572,232.20
  4. Step 4: Simplify right side
    980,107.76x = 773,947,941,678.96
  5. Step 5: Solve for x
    x = 773,947,941,678.96/980,107.76
  6. Step 6: Final answer
    x = 789,655.97

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Double scale
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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.