Home / 749,085.89-1,033,738.02-404,921.80

Finding the Fourth Proportional to 749,085.89, 1,033,738.02 and 404,921.80

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Solution

The fourth proportional to 749,085.89, 1,033,738.02 and 404,921.80 is: 558,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,085.89 : 1,033,738.02 = 404,921.80 : x
  2. Step 2: Convert to fraction form
    749,085.89/1,033,738.02 = 404,921.80/x
  3. Step 3: Cross multiply
    749,085.89x = 1,033,738.02 × 404,921.80
  4. Step 4: Simplify right side
    749,085.89x = 418,583,057,856.77
  5. Step 5: Solve for x
    x = 418,583,057,856.77/749,085.89
  6. Step 6: Final answer
    x = 558,791.81

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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.