Home / 772,299.72-1,065,770.66-432,767.97

Finding the Fourth Proportional to 772,299.72, 1,065,770.66 and 432,767.97

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Solution

The fourth proportional to 772,299.72, 1,065,770.66 and 432,767.97 is: 597,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,299.72 : 1,065,770.66 = 432,767.97 : x
  2. Step 2: Convert to fraction form
    772,299.72/1,065,770.66 = 432,767.97/x
  3. Step 3: Cross multiply
    772,299.72x = 1,065,770.66 × 432,767.97
  4. Step 4: Simplify right side
    772,299.72x = 461,231,406,095.68
  5. Step 5: Solve for x
    x = 461,231,406,095.68/772,299.72
  6. Step 6: Final answer
    x = 597,218.14

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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.