Home / 969,898.32-1,338,426.72-540,156.24

Finding the Fourth Proportional to 969,898.32, 1,338,426.72 and 540,156.24

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Solution

The fourth proportional to 969,898.32, 1,338,426.72 and 540,156.24 is: 745,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,898.32 : 1,338,426.72 = 540,156.24 : x
  2. Step 2: Convert to fraction form
    969,898.32/1,338,426.72 = 540,156.24/x
  3. Step 3: Cross multiply
    969,898.32x = 1,338,426.72 × 540,156.24
  4. Step 4: Simplify right side
    969,898.32x = 722,959,544,590.73
  5. Step 5: Solve for x
    x = 722,959,544,590.73/969,898.32
  6. Step 6: Final answer
    x = 745,397.25

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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.