Home / 780,825.06-1,077,493.86-431,944.62

Finding the Fourth Proportional to 780,825.06, 1,077,493.86 and 431,944.62

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Solution

The fourth proportional to 780,825.06, 1,077,493.86 and 431,944.62 is: 596,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,825.06 : 1,077,493.86 = 431,944.62 : x
  2. Step 2: Convert to fraction form
    780,825.06/1,077,493.86 = 431,944.62/x
  3. Step 3: Cross multiply
    780,825.06x = 1,077,493.86 × 431,944.62
  4. Step 4: Simplify right side
    780,825.06x = 465,417,675,910.03
  5. Step 5: Solve for x
    x = 465,417,675,910.03/780,825.06
  6. Step 6: Final answer
    x = 596,058.84

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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.