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Finding the Fourth Proportional to 543,769, 750,422.28 and 302,069.92

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Solution

The fourth proportional to 543,769, 750,422.28 and 302,069.92 is: 416,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,769 : 750,422.28 = 302,069.92 : x
  2. Step 2: Convert to fraction form
    543,769/750,422.28 = 302,069.92/x
  3. Step 3: Cross multiply
    543,769x = 750,422.28 × 302,069.92
  4. Step 4: Simplify right side
    543,769x = 226,679,998,085.82
  5. Step 5: Solve for x
    x = 226,679,998,085.82/543,769
  6. Step 6: Final answer
    x = 416,868.19

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1.5x scale

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.