Home / 969,934.64-1,338,459-540,206.96

Finding the Fourth Proportional to 969,934.64, 1,338,459 and 540,206.96

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Solution

The fourth proportional to 969,934.64, 1,338,459 and 540,206.96 is: 745,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,934.64 : 1,338,459 = 540,206.96 : x
  2. Step 2: Convert to fraction form
    969,934.64/1,338,459 = 540,206.96/x
  3. Step 3: Cross multiply
    969,934.64x = 1,338,459 × 540,206.96
  4. Step 4: Simplify right side
    969,934.64x = 723,044,867,474.64
  5. Step 5: Solve for x
    x = 723,044,867,474.64/969,934.64
  6. Step 6: Final answer
    x = 745,457.31

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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.