Home / 479,001.60-661,066.44-275,079.24

Finding the Fourth Proportional to 479,001.60, 661,066.44 and 275,079.24

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Solution

The fourth proportional to 479,001.60, 661,066.44 and 275,079.24 is: 379,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,001.60 : 661,066.44 = 275,079.24 : x
  2. Step 2: Convert to fraction form
    479,001.60/661,066.44 = 275,079.24/x
  3. Step 3: Cross multiply
    479,001.60x = 661,066.44 × 275,079.24
  4. Step 4: Simplify right side
    479,001.60x = 181,845,653,904.71
  5. Step 5: Solve for x
    x = 181,845,653,904.71/479,001.60
  6. Step 6: Final answer
    x = 379,634.75

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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.