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Finding the Fourth Proportional to 577,001.73, 796,237.88 and 318,888.35

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Solution

The fourth proportional to 577,001.73, 796,237.88 and 318,888.35 is: 440,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,001.73 : 796,237.88 = 318,888.35 : x
  2. Step 2: Convert to fraction form
    577,001.73/796,237.88 = 318,888.35/x
  3. Step 3: Cross multiply
    577,001.73x = 796,237.88 × 318,888.35
  4. Step 4: Simplify right side
    577,001.73x = 253,910,983,760.70
  5. Step 5: Solve for x
    x = 253,910,983,760.70/577,001.73
  6. Step 6: Final answer
    x = 440,052.38

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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.