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Finding the Fourth Proportional to 577,011.54, 795,757.98 and 480,534.06

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Solution

The fourth proportional to 577,011.54, 795,757.98 and 480,534.06 is: 662,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,011.54 : 795,757.98 = 480,534.06 : x
  2. Step 2: Convert to fraction form
    577,011.54/795,757.98 = 480,534.06/x
  3. Step 3: Cross multiply
    577,011.54x = 795,757.98 × 480,534.06
  4. Step 4: Simplify right side
    577,011.54x = 382,388,812,906.80
  5. Step 5: Solve for x
    x = 382,388,812,906.80/577,011.54
  6. Step 6: Final answer
    x = 662,705.66

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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.