Home / 772,162.07-1,065,581.82-423,301.87

Finding the Fourth Proportional to 772,162.07, 1,065,581.82 and 423,301.87

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Solution

The fourth proportional to 772,162.07, 1,065,581.82 and 423,301.87 is: 584,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,162.07 : 1,065,581.82 = 423,301.87 : x
  2. Step 2: Convert to fraction form
    772,162.07/1,065,581.82 = 423,301.87/x
  3. Step 3: Cross multiply
    772,162.07x = 1,065,581.82 × 423,301.87
  4. Step 4: Simplify right side
    772,162.07x = 451,062,774,380.05
  5. Step 5: Solve for x
    x = 451,062,774,380.05/772,162.07
  6. Step 6: Final answer
    x = 584,155.57

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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.