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Finding the Fourth Proportional to 484,969.58, 669,278.80 and 270,109.70

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Solution

The fourth proportional to 484,969.58, 669,278.80 and 270,109.70 is: 372,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,969.58 : 669,278.80 = 270,109.70 : x
  2. Step 2: Convert to fraction form
    484,969.58/669,278.80 = 270,109.70/x
  3. Step 3: Cross multiply
    484,969.58x = 669,278.80 × 270,109.70
  4. Step 4: Simplify right side
    484,969.58x = 180,778,695,884.36
  5. Step 5: Solve for x
    x = 180,778,695,884.36/484,969.58
  6. Step 6: Final answer
    x = 372,762.96

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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.