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Finding the Fourth Proportional to 431,449.02, 595,400.25 and 259,368.89

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Solution

The fourth proportional to 431,449.02, 595,400.25 and 259,368.89 is: 357,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,449.02 : 595,400.25 = 259,368.89 : x
  2. Step 2: Convert to fraction form
    431,449.02/595,400.25 = 259,368.89/x
  3. Step 3: Cross multiply
    431,449.02x = 595,400.25 × 259,368.89
  4. Step 4: Simplify right side
    431,449.02x = 154,428,297,674.38
  5. Step 5: Solve for x
    x = 154,428,297,674.38/431,449.02
  6. Step 6: Final answer
    x = 357,929.42

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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.