Home / 744,039.79-1,026,728.91-417,334.84

Finding the Fourth Proportional to 744,039.79, 1,026,728.91 and 417,334.84

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Solution

The fourth proportional to 744,039.79, 1,026,728.91 and 417,334.84 is: 575,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,039.79 : 1,026,728.91 = 417,334.84 : x
  2. Step 2: Convert to fraction form
    744,039.79/1,026,728.91 = 417,334.84/x
  3. Step 3: Cross multiply
    744,039.79x = 1,026,728.91 × 417,334.84
  4. Step 4: Simplify right side
    744,039.79x = 428,489,745,378.22
  5. Step 5: Solve for x
    x = 428,489,745,378.22/744,039.79
  6. Step 6: Final answer
    x = 575,896.28

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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.