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Finding the Fourth Proportional to 647,017.98, 892,888.37 and 375,247.02

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Solution

The fourth proportional to 647,017.98, 892,888.37 and 375,247.02 is: 517,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,017.98 : 892,888.37 = 375,247.02 : x
  2. Step 2: Convert to fraction form
    647,017.98/892,888.37 = 375,247.02/x
  3. Step 3: Cross multiply
    647,017.98x = 892,888.37 × 375,247.02
  4. Step 4: Simplify right side
    647,017.98x = 335,053,700,035.16
  5. Step 5: Solve for x
    x = 335,053,700,035.16/647,017.98
  6. Step 6: Final answer
    x = 517,842.95

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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.