Home / 484,881.80-669,094.02-280,867.50

Finding the Fourth Proportional to 484,881.80, 669,094.02 and 280,867.50

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Solution

The fourth proportional to 484,881.80, 669,094.02 and 280,867.50 is: 387,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,881.80 : 669,094.02 = 280,867.50 : x
  2. Step 2: Convert to fraction form
    484,881.80/669,094.02 = 280,867.50/x
  3. Step 3: Cross multiply
    484,881.80x = 669,094.02 × 280,867.50
  4. Step 4: Simplify right side
    484,881.80x = 187,926,764,662.35
  5. Step 5: Solve for x
    x = 187,926,764,662.35/484,881.80
  6. Step 6: Final answer
    x = 387,572.33

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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.