Home / 740,808.40-1,109,900.40-627,959.20

Finding the Fourth Proportional to 740,808.40, 1,109,900.40 and 627,959.20

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Solution

The fourth proportional to 740,808.40, 1,109,900.40 and 627,959.20 is: 940,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,808.40 : 1,109,900.40 = 627,959.20 : x
  2. Step 2: Convert to fraction form
    740,808.40/1,109,900.40 = 627,959.20/x
  3. Step 3: Cross multiply
    740,808.40x = 1,109,900.40 × 627,959.20
  4. Step 4: Simplify right side
    740,808.40x = 696,972,167,263.68
  5. Step 5: Solve for x
    x = 696,972,167,263.68/740,808.40
  6. Step 6: Final answer
    x = 940,826.49

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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.