Home / 772,619.28-1,066,436.82-466,647.06

Finding the Fourth Proportional to 772,619.28, 1,066,436.82 and 466,647.06

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Solution

The fourth proportional to 772,619.28, 1,066,436.82 and 466,647.06 is: 644,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,619.28 : 1,066,436.82 = 466,647.06 : x
  2. Step 2: Convert to fraction form
    772,619.28/1,066,436.82 = 466,647.06/x
  3. Step 3: Cross multiply
    772,619.28x = 1,066,436.82 × 466,647.06
  4. Step 4: Simplify right side
    772,619.28x = 497,649,606,728.75
  5. Step 5: Solve for x
    x = 497,649,606,728.75/772,619.28
  6. Step 6: Final answer
    x = 644,107.16

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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.