Home / 689,570.20-1,034,355.30-598,331.80

Finding the Fourth Proportional to 689,570.20, 1,034,355.30 and 598,331.80

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Solution

The fourth proportional to 689,570.20, 1,034,355.30 and 598,331.80 is: 897,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,570.20 : 1,034,355.30 = 598,331.80 : x
  2. Step 2: Convert to fraction form
    689,570.20/1,034,355.30 = 598,331.80/x
  3. Step 3: Cross multiply
    689,570.20x = 1,034,355.30 × 598,331.80
  4. Step 4: Simplify right side
    689,570.20x = 618,887,668,488.54
  5. Step 5: Solve for x
    x = 618,887,668,488.54/689,570.20
  6. Step 6: Final answer
    x = 897,497.70

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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.