Home / 969,974.16-1,338,605.88-540,254.40

Finding the Fourth Proportional to 969,974.16, 1,338,605.88 and 540,254.40

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Solution

The fourth proportional to 969,974.16, 1,338,605.88 and 540,254.40 is: 745,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,974.16 : 1,338,605.88 = 540,254.40 : x
  2. Step 2: Convert to fraction form
    969,974.16/1,338,605.88 = 540,254.40/x
  3. Step 3: Cross multiply
    969,974.16x = 1,338,605.88 × 540,254.40
  4. Step 4: Simplify right side
    969,974.16x = 723,187,716,535.87
  5. Step 5: Solve for x
    x = 723,187,716,535.87/969,974.16
  6. Step 6: Final answer
    x = 745,574.21

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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.