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Finding the Fourth Proportional to 535,054.70, 738,375.30 and 293,332.08

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Solution

The fourth proportional to 535,054.70, 738,375.30 and 293,332.08 is: 404,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,054.70 : 738,375.30 = 293,332.08 : x
  2. Step 2: Convert to fraction form
    535,054.70/738,375.30 = 293,332.08/x
  3. Step 3: Cross multiply
    535,054.70x = 738,375.30 × 293,332.08
  4. Step 4: Simplify right side
    535,054.70x = 216,589,159,800.72
  5. Step 5: Solve for x
    x = 216,589,159,800.72/535,054.70
  6. Step 6: Final answer
    x = 404,798.17

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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.