Home / 484,789.04-669,126.59-280,806.94

Finding the Fourth Proportional to 484,789.04, 669,126.59 and 280,806.94

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Solution

The fourth proportional to 484,789.04, 669,126.59 and 280,806.94 is: 387,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,789.04 : 669,126.59 = 280,806.94 : x
  2. Step 2: Convert to fraction form
    484,789.04/669,126.59 = 280,806.94/x
  3. Step 3: Cross multiply
    484,789.04x = 669,126.59 × 280,806.94
  4. Step 4: Simplify right side
    484,789.04x = 187,895,390,210.54
  5. Step 5: Solve for x
    x = 187,895,390,210.54/484,789.04
  6. Step 6: Final answer
    x = 387,581.76

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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.