Home / 753,808.21-1,040,497.77-482,606.55

Finding the Fourth Proportional to 753,808.21, 1,040,497.77 and 482,606.55

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Solution

The fourth proportional to 753,808.21, 1,040,497.77 and 482,606.55 is: 666,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,808.21 : 1,040,497.77 = 482,606.55 : x
  2. Step 2: Convert to fraction form
    753,808.21/1,040,497.77 = 482,606.55/x
  3. Step 3: Cross multiply
    753,808.21x = 1,040,497.77 × 482,606.55
  4. Step 4: Simplify right side
    753,808.21x = 502,151,039,062.39
  5. Step 5: Solve for x
    x = 502,151,039,062.39/753,808.21
  6. Step 6: Final answer
    x = 666,152.26

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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.