Home / 864,353.82-1,192,868.55-482,386.86

Finding the Fourth Proportional to 864,353.82, 1,192,868.55 and 482,386.86

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Solution

The fourth proportional to 864,353.82, 1,192,868.55 and 482,386.86 is: 665,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,353.82 : 1,192,868.55 = 482,386.86 : x
  2. Step 2: Convert to fraction form
    864,353.82/1,192,868.55 = 482,386.86/x
  3. Step 3: Cross multiply
    864,353.82x = 1,192,868.55 × 482,386.86
  4. Step 4: Simplify right side
    864,353.82x = 575,424,114,227.25
  5. Step 5: Solve for x
    x = 575,424,114,227.25/864,353.82
  6. Step 6: Final answer
    x = 665,727.51

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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.