Home / 772,249.38-1,064,522.81-542,161.19

Finding the Fourth Proportional to 772,249.38, 1,064,522.81 and 542,161.19

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Solution

The fourth proportional to 772,249.38, 1,064,522.81 and 542,161.19 is: 747,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,249.38 : 1,064,522.81 = 542,161.19 : x
  2. Step 2: Convert to fraction form
    772,249.38/1,064,522.81 = 542,161.19/x
  3. Step 3: Cross multiply
    772,249.38x = 1,064,522.81 × 542,161.19
  4. Step 4: Simplify right side
    772,249.38x = 577,142,945,418.32
  5. Step 5: Solve for x
    x = 577,142,945,418.32/772,249.38
  6. Step 6: Final answer
    x = 747,353.07

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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.