Home / 863,809.95-1,192,049.60-476,628.87

Finding the Fourth Proportional to 863,809.95, 1,192,049.60 and 476,628.87

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Solution

The fourth proportional to 863,809.95, 1,192,049.60 and 476,628.87 is: 657,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,809.95 : 1,192,049.60 = 476,628.87 : x
  2. Step 2: Convert to fraction form
    863,809.95/1,192,049.60 = 476,628.87/x
  3. Step 3: Cross multiply
    863,809.95x = 1,192,049.60 × 476,628.87
  4. Step 4: Simplify right side
    863,809.95x = 568,165,251,448.81
  5. Step 5: Solve for x
    x = 568,165,251,448.81/863,809.95
  6. Step 6: Final answer
    x = 657,743.35

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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.