Home / 969,912.16-1,338,520.16-540,192.32

Finding the Fourth Proportional to 969,912.16, 1,338,520.16 and 540,192.32

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Solution

The fourth proportional to 969,912.16, 1,338,520.16 and 540,192.32 is: 745,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,912.16 : 1,338,520.16 = 540,192.32 : x
  2. Step 2: Convert to fraction form
    969,912.16/1,338,520.16 = 540,192.32/x
  3. Step 3: Cross multiply
    969,912.16x = 1,338,520.16 × 540,192.32
  4. Step 4: Simplify right side
    969,912.16x = 723,058,310,597.17
  5. Step 5: Solve for x
    x = 723,058,310,597.17/969,912.16
  6. Step 6: Final answer
    x = 745,488.45

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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.