Home / 479,971.17-662,326.88-265,109.36

Finding the Fourth Proportional to 479,971.17, 662,326.88 and 265,109.36

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Solution

The fourth proportional to 479,971.17, 662,326.88 and 265,109.36 is: 365,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,971.17 : 662,326.88 = 265,109.36 : x
  2. Step 2: Convert to fraction form
    479,971.17/662,326.88 = 265,109.36/x
  3. Step 3: Cross multiply
    479,971.17x = 662,326.88 × 265,109.36
  4. Step 4: Simplify right side
    479,971.17x = 175,589,050,630.42
  5. Step 5: Solve for x
    x = 175,589,050,630.42/479,971.17
  6. Step 6: Final answer
    x = 365,832.49

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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.