Home / 484,868.56-669,075.72-280,854.24

Finding the Fourth Proportional to 484,868.56, 669,075.72 and 280,854.24

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Solution

The fourth proportional to 484,868.56, 669,075.72 and 280,854.24 is: 387,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,868.56 : 669,075.72 = 280,854.24 : x
  2. Step 2: Convert to fraction form
    484,868.56/669,075.72 = 280,854.24/x
  3. Step 3: Cross multiply
    484,868.56x = 669,075.72 × 280,854.24
  4. Step 4: Simplify right side
    484,868.56x = 187,912,752,843.05
  5. Step 5: Solve for x
    x = 187,912,752,843.05/484,868.56
  6. Step 6: Final answer
    x = 387,554.01

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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.