Home / 773,720.11-1,067,810.48-434,189.71

Finding the Fourth Proportional to 773,720.11, 1,067,810.48 and 434,189.71

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Solution

The fourth proportional to 773,720.11, 1,067,810.48 and 434,189.71 is: 599,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,720.11 : 1,067,810.48 = 434,189.71 : x
  2. Step 2: Convert to fraction form
    773,720.11/1,067,810.48 = 434,189.71/x
  3. Step 3: Cross multiply
    773,720.11x = 1,067,810.48 × 434,189.71
  4. Step 4: Simplify right side
    773,720.11x = 463,632,322,646.16
  5. Step 5: Solve for x
    x = 463,632,322,646.16/773,720.11
  6. Step 6: Final answer
    x = 599,224.86

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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.