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Finding the Fourth Proportional to 543,780, 750,437.46 and 302,080.92

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Solution

The fourth proportional to 543,780, 750,437.46 and 302,080.92 is: 416,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,780 : 750,437.46 = 302,080.92 : x
  2. Step 2: Convert to fraction form
    543,780/750,437.46 = 302,080.92/x
  3. Step 3: Cross multiply
    543,780x = 750,437.46 × 302,080.92
  4. Step 4: Simplify right side
    543,780x = 226,692,838,319.26
  5. Step 5: Solve for x
    x = 226,692,838,319.26/543,780
  6. Step 6: Final answer
    x = 416,883.37

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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.