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Finding the Fourth Proportional to 772,572.72, 1,066,199.58 and 433,041

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Solution

The fourth proportional to 772,572.72, 1,066,199.58 and 433,041 is: 597,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,572.72 : 1,066,199.58 = 433,041 : x
  2. Step 2: Convert to fraction form
    772,572.72/1,066,199.58 = 433,041/x
  3. Step 3: Cross multiply
    772,572.72x = 1,066,199.58 × 433,041
  4. Step 4: Simplify right side
    772,572.72x = 461,708,132,322.78
  5. Step 5: Solve for x
    x = 461,708,132,322.78/772,572.72
  6. Step 6: Final answer
    x = 597,624.17

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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.