Home / 969,870.69-1,338,463.04-540,150.75

Finding the Fourth Proportional to 969,870.69, 1,338,463.04 and 540,150.75

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Solution

The fourth proportional to 969,870.69, 1,338,463.04 and 540,150.75 is: 745,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,870.69 : 1,338,463.04 = 540,150.75 : x
  2. Step 2: Convert to fraction form
    969,870.69/1,338,463.04 = 540,150.75/x
  3. Step 3: Cross multiply
    969,870.69x = 1,338,463.04 × 540,150.75
  4. Step 4: Simplify right side
    969,870.69x = 722,971,812,202.53
  5. Step 5: Solve for x
    x = 722,971,812,202.53/969,870.69
  6. Step 6: Final answer
    x = 745,431.14

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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.