Home / 753,808.71-1,040,498.46-482,607.05

Finding the Fourth Proportional to 753,808.71, 1,040,498.46 and 482,607.05

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Solution

The fourth proportional to 753,808.71, 1,040,498.46 and 482,607.05 is: 666,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,808.71 : 1,040,498.46 = 482,607.05 : x
  2. Step 2: Convert to fraction form
    753,808.71/1,040,498.46 = 482,607.05/x
  3. Step 3: Cross multiply
    753,808.71x = 1,040,498.46 × 482,607.05
  4. Step 4: Simplify right side
    753,808.71x = 502,151,892,310.14
  5. Step 5: Solve for x
    x = 502,151,892,310.14/753,808.71
  6. Step 6: Final answer
    x = 666,152.95

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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.