Home / 969,018.57-1,337,245.62-539,400.18

Finding the Fourth Proportional to 969,018.57, 1,337,245.62 and 539,400.18

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Solution

The fourth proportional to 969,018.57, 1,337,245.62 and 539,400.18 is: 744,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,018.57 : 1,337,245.62 = 539,400.18 : x
  2. Step 2: Convert to fraction form
    969,018.57/1,337,245.62 = 539,400.18/x
  3. Step 3: Cross multiply
    969,018.57x = 1,337,245.62 × 539,400.18
  4. Step 4: Simplify right side
    969,018.57x = 721,310,528,132.21
  5. Step 5: Solve for x
    x = 721,310,528,132.21/969,018.57
  6. Step 6: Final answer
    x = 744,372.24

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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.