Home / 719,999.20-1,079,134.80-299,058.40

Finding the Fourth Proportional to 719,999.20, 1,079,134.80 and 299,058.40

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Solution

The fourth proportional to 719,999.20, 1,079,134.80 and 299,058.40 is: 448,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,999.20 : 1,079,134.80 = 299,058.40 : x
  2. Step 2: Convert to fraction form
    719,999.20/1,079,134.80 = 299,058.40/x
  3. Step 3: Cross multiply
    719,999.20x = 1,079,134.80 × 299,058.40
  4. Step 4: Simplify right side
    719,999.20x = 322,724,326,672.32
  5. Step 5: Solve for x
    x = 322,724,326,672.32/719,999.20
  6. Step 6: Final answer
    x = 448,228.73

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Similar ratio
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1.5x scale

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.