Home / 772,441.25-1,066,034.54-432,975.11

Finding the Fourth Proportional to 772,441.25, 1,066,034.54 and 432,975.11

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Solution

The fourth proportional to 772,441.25, 1,066,034.54 and 432,975.11 is: 597,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,441.25 : 1,066,034.54 = 432,975.11 : x
  2. Step 2: Convert to fraction form
    772,441.25/1,066,034.54 = 432,975.11/x
  3. Step 3: Cross multiply
    772,441.25x = 1,066,034.54 × 432,975.11
  4. Step 4: Simplify right side
    772,441.25x = 461,566,420,055.42
  5. Step 5: Solve for x
    x = 461,566,420,055.42/772,441.25
  6. Step 6: Final answer
    x = 597,542.43

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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.