Home / 979,561.80-1,467,528.30-557,584.20

Finding the Fourth Proportional to 979,561.80, 1,467,528.30 and 557,584.20

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Solution

The fourth proportional to 979,561.80, 1,467,528.30 and 557,584.20 is: 835,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,561.80 : 1,467,528.30 = 557,584.20 : x
  2. Step 2: Convert to fraction form
    979,561.80/1,467,528.30 = 557,584.20/x
  3. Step 3: Cross multiply
    979,561.80x = 1,467,528.30 × 557,584.20
  4. Step 4: Simplify right side
    979,561.80x = 818,270,593,132.86
  5. Step 5: Solve for x
    x = 818,270,593,132.86/979,561.80
  6. Step 6: Final answer
    x = 835,343.51

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Double scale
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Similar ratio
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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.