Home / 482,865.04-666,385.59-278,924.55

Finding the Fourth Proportional to 482,865.04, 666,385.59 and 278,924.55

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Solution

The fourth proportional to 482,865.04, 666,385.59 and 278,924.55 is: 384,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,865.04 : 666,385.59 = 278,924.55 : x
  2. Step 2: Convert to fraction form
    482,865.04/666,385.59 = 278,924.55/x
  3. Step 3: Cross multiply
    482,865.04x = 666,385.59 × 278,924.55
  4. Step 4: Simplify right side
    482,865.04x = 185,871,297,485.31
  5. Step 5: Solve for x
    x = 185,871,297,485.31/482,865.04
  6. Step 6: Final answer
    x = 384,934.26

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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.