Home / 744,206.40-1,026,993.12-404,671.68

Finding the Fourth Proportional to 744,206.40, 1,026,993.12 and 404,671.68

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Solution

The fourth proportional to 744,206.40, 1,026,993.12 and 404,671.68 is: 558,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,206.40 : 1,026,993.12 = 404,671.68 : x
  2. Step 2: Convert to fraction form
    744,206.40/1,026,993.12 = 404,671.68/x
  3. Step 3: Cross multiply
    744,206.40x = 1,026,993.12 × 404,671.68
  4. Step 4: Simplify right side
    744,206.40x = 415,595,031,218.84
  5. Step 5: Solve for x
    x = 415,595,031,218.84/744,206.40
  6. Step 6: Final answer
    x = 558,440.55

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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.