Home / 478,621.80-660,502.61-263,769.71

Finding the Fourth Proportional to 478,621.80, 660,502.61 and 263,769.71

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Solution

The fourth proportional to 478,621.80, 660,502.61 and 263,769.71 is: 364,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,621.80 : 660,502.61 = 263,769.71 : x
  2. Step 2: Convert to fraction form
    478,621.80/660,502.61 = 263,769.71/x
  3. Step 3: Cross multiply
    478,621.80x = 660,502.61 × 263,769.71
  4. Step 4: Simplify right side
    478,621.80x = 174,220,577,272.58
  5. Step 5: Solve for x
    x = 174,220,577,272.58/478,621.80
  6. Step 6: Final answer
    x = 364,004.68

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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.