Home / 969,899.32-1,338,428.10-540,157.24

Finding the Fourth Proportional to 969,899.32, 1,338,428.10 and 540,157.24

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Solution

The fourth proportional to 969,899.32, 1,338,428.10 and 540,157.24 is: 745,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,899.32 : 1,338,428.10 = 540,157.24 : x
  2. Step 2: Convert to fraction form
    969,899.32/1,338,428.10 = 540,157.24/x
  3. Step 3: Cross multiply
    969,899.32x = 1,338,428.10 × 540,157.24
  4. Step 4: Simplify right side
    969,899.32x = 722,961,628,434.44
  5. Step 5: Solve for x
    x = 722,961,628,434.44/969,899.32
  6. Step 6: Final answer
    x = 745,398.63

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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.