Home / 744,149.52-1,026,919.20-404,617.84

Finding the Fourth Proportional to 744,149.52, 1,026,919.20 and 404,617.84

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Solution

The fourth proportional to 744,149.52, 1,026,919.20 and 404,617.84 is: 558,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,149.52 : 1,026,919.20 = 404,617.84 : x
  2. Step 2: Convert to fraction form
    744,149.52/1,026,919.20 = 404,617.84/x
  3. Step 3: Cross multiply
    744,149.52x = 1,026,919.20 × 404,617.84
  4. Step 4: Simplify right side
    744,149.52x = 415,509,828,558.53
  5. Step 5: Solve for x
    x = 415,509,828,558.53/744,149.52
  6. Step 6: Final answer
    x = 558,368.74

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1.5x scale

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.