Home / 718,028.40-1,077,042.60-219,327.60

Finding the Fourth Proportional to 718,028.40, 1,077,042.60 and 219,327.60

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Solution

The fourth proportional to 718,028.40, 1,077,042.60 and 219,327.60 is: 328,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,028.40 : 1,077,042.60 = 219,327.60 : x
  2. Step 2: Convert to fraction form
    718,028.40/1,077,042.60 = 219,327.60/x
  3. Step 3: Cross multiply
    718,028.40x = 1,077,042.60 × 219,327.60
  4. Step 4: Simplify right side
    718,028.40x = 236,225,168,555.76
  5. Step 5: Solve for x
    x = 236,225,168,555.76/718,028.40
  6. Step 6: Final answer
    x = 328,991.40

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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.