Home / 969,849.64-1,338,341.70-540,121.96

Finding the Fourth Proportional to 969,849.64, 1,338,341.70 and 540,121.96

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Solution

The fourth proportional to 969,849.64, 1,338,341.70 and 540,121.96 is: 745,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,849.64 : 1,338,341.70 = 540,121.96 : x
  2. Step 2: Convert to fraction form
    969,849.64/1,338,341.70 = 540,121.96/x
  3. Step 3: Cross multiply
    969,849.64x = 1,338,341.70 × 540,121.96
  4. Step 4: Simplify right side
    969,849.64x = 722,867,742,153.73
  5. Step 5: Solve for x
    x = 722,867,742,153.73/969,849.64
  6. Step 6: Final answer
    x = 745,340.01

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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.