Home / 864,322.80-1,192,784.56-477,137.30

Finding the Fourth Proportional to 864,322.80, 1,192,784.56 and 477,137.30

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Solution

The fourth proportional to 864,322.80, 1,192,784.56 and 477,137.30 is: 658,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,322.80 : 1,192,784.56 = 477,137.30 : x
  2. Step 2: Convert to fraction form
    864,322.80/1,192,784.56 = 477,137.30/x
  3. Step 3: Cross multiply
    864,322.80x = 1,192,784.56 × 477,137.30
  4. Step 4: Simplify right side
    864,322.80x = 569,122,006,229.21
  5. Step 5: Solve for x
    x = 569,122,006,229.21/864,322.80
  6. Step 6: Final answer
    x = 658,460.02

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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.