Home / 969,871.69-1,338,464.42-540,151.75

Finding the Fourth Proportional to 969,871.69, 1,338,464.42 and 540,151.75

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Solution

The fourth proportional to 969,871.69, 1,338,464.42 and 540,151.75 is: 745,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,871.69 : 1,338,464.42 = 540,151.75 : x
  2. Step 2: Convert to fraction form
    969,871.69/1,338,464.42 = 540,151.75/x
  3. Step 3: Cross multiply
    969,871.69x = 1,338,464.42 × 540,151.75
  4. Step 4: Simplify right side
    969,871.69x = 722,973,898,775.74
  5. Step 5: Solve for x
    x = 722,973,898,775.74/969,871.69
  6. Step 6: Final answer
    x = 745,432.52

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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.