Home / 670,744.80-1,005,339.60-271,123.20

Finding the Fourth Proportional to 670,744.80, 1,005,339.60 and 271,123.20

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Solution

The fourth proportional to 670,744.80, 1,005,339.60 and 271,123.20 is: 406,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,744.80 : 1,005,339.60 = 271,123.20 : x
  2. Step 2: Convert to fraction form
    670,744.80/1,005,339.60 = 271,123.20/x
  3. Step 3: Cross multiply
    670,744.80x = 1,005,339.60 × 271,123.20
  4. Step 4: Simplify right side
    670,744.80x = 272,570,889,438.72
  5. Step 5: Solve for x
    x = 272,570,889,438.72/670,744.80
  6. Step 6: Final answer
    x = 406,370.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.