Home / 846,008.47-1,268,717.05-340,438.26

Finding the Fourth Proportional to 846,008.47, 1,268,717.05 and 340,438.26

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Solution

The fourth proportional to 846,008.47, 1,268,717.05 and 340,438.26 is: 510,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,008.47 : 1,268,717.05 = 340,438.26 : x
  2. Step 2: Convert to fraction form
    846,008.47/1,268,717.05 = 340,438.26/x
  3. Step 3: Cross multiply
    846,008.47x = 1,268,717.05 × 340,438.26
  4. Step 4: Simplify right side
    846,008.47x = 431,919,824,934.33
  5. Step 5: Solve for x
    x = 431,919,824,934.33/846,008.47
  6. Step 6: Final answer
    x = 510,538.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.