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Finding the Fourth Proportional to 577,941.92, 797,720.13 and 336,271.17

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Solution

The fourth proportional to 577,941.92, 797,720.13 and 336,271.17 is: 464,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,941.92 : 797,720.13 = 336,271.17 : x
  2. Step 2: Convert to fraction form
    577,941.92/797,720.13 = 336,271.17/x
  3. Step 3: Cross multiply
    577,941.92x = 797,720.13 × 336,271.17
  4. Step 4: Simplify right side
    577,941.92x = 268,250,281,447.65
  5. Step 5: Solve for x
    x = 268,250,281,447.65/577,941.92
  6. Step 6: Final answer
    x = 464,147.47

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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.