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Finding the Fourth Proportional to 955,797, 1,319,000.28 and 526,074.08

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Solution

The fourth proportional to 955,797, 1,319,000.28 and 526,074.08 is: 725,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,797 : 1,319,000.28 = 526,074.08 : x
  2. Step 2: Convert to fraction form
    955,797/1,319,000.28 = 526,074.08/x
  3. Step 3: Cross multiply
    955,797x = 1,319,000.28 × 526,074.08
  4. Step 4: Simplify right side
    955,797x = 693,891,858,820.74
  5. Step 5: Solve for x
    x = 693,891,858,820.74/955,797
  6. Step 6: Final answer
    x = 725,982.46

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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.