Home / 751,010.76-1,036,355.20-428,708.04

Finding the Fourth Proportional to 751,010.76, 1,036,355.20 and 428,708.04

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Solution

The fourth proportional to 751,010.76, 1,036,355.20 and 428,708.04 is: 591,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,010.76 : 1,036,355.20 = 428,708.04 : x
  2. Step 2: Convert to fraction form
    751,010.76/1,036,355.20 = 428,708.04/x
  3. Step 3: Cross multiply
    751,010.76x = 1,036,355.20 × 428,708.04
  4. Step 4: Simplify right side
    751,010.76x = 444,293,806,535.81
  5. Step 5: Solve for x
    x = 444,293,806,535.81/751,010.76
  6. Step 6: Final answer
    x = 591,594.46

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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.