Home / 479,920.19-719,967.77-240,159.47

Finding the Fourth Proportional to 479,920.19, 719,967.77 and 240,159.47

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Solution

The fourth proportional to 479,920.19, 719,967.77 and 240,159.47 is: 360,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,920.19 : 719,967.77 = 240,159.47 : x
  2. Step 2: Convert to fraction form
    479,920.19/719,967.77 = 240,159.47/x
  3. Step 3: Cross multiply
    479,920.19x = 719,967.77 × 240,159.47
  4. Step 4: Simplify right side
    479,920.19x = 172,907,078,060.28
  5. Step 5: Solve for x
    x = 172,907,078,060.28/479,920.19
  6. Step 6: Final answer
    x = 360,282.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.