Home / 864,454.70-1,192,962.80-477,315.60

Finding the Fourth Proportional to 864,454.70, 1,192,962.80 and 477,315.60

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Solution

The fourth proportional to 864,454.70, 1,192,962.80 and 477,315.60 is: 658,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,454.70 : 1,192,962.80 = 477,315.60 : x
  2. Step 2: Convert to fraction form
    864,454.70/1,192,962.80 = 477,315.60/x
  3. Step 3: Cross multiply
    864,454.70x = 1,192,962.80 × 477,315.60
  4. Step 4: Simplify right side
    864,454.70x = 569,419,754,659.68
  5. Step 5: Solve for x
    x = 569,419,754,659.68/864,454.70
  6. Step 6: Final answer
    x = 658,703.98

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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.