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Finding the Fourth Proportional to 647,750, 971,749.54 and 248,359.62

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Solution

The fourth proportional to 647,750, 971,749.54 and 248,359.62 is: 372,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,750 : 971,749.54 = 248,359.62 : x
  2. Step 2: Convert to fraction form
    647,750/971,749.54 = 248,359.62/x
  3. Step 3: Cross multiply
    647,750x = 971,749.54 × 248,359.62
  4. Step 4: Simplify right side
    647,750x = 241,343,346,489.58
  5. Step 5: Solve for x
    x = 241,343,346,489.58/647,750
  6. Step 6: Final answer
    x = 372,587.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.