Home / 479,699.07-661,985.69-264,839.55

Finding the Fourth Proportional to 479,699.07, 661,985.69 and 264,839.55

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Solution

The fourth proportional to 479,699.07, 661,985.69 and 264,839.55 is: 365,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,699.07 : 661,985.69 = 264,839.55 : x
  2. Step 2: Convert to fraction form
    479,699.07/661,985.69 = 264,839.55/x
  3. Step 3: Cross multiply
    479,699.07x = 661,985.69 × 264,839.55
  4. Step 4: Simplify right side
    479,699.07x = 175,319,992,246.04
  5. Step 5: Solve for x
    x = 175,319,992,246.04/479,699.07
  6. Step 6: Final answer
    x = 365,479.12

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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.