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Finding the Fourth Proportional to 618,255.04, 926,755.12 and 351,464.28

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Solution

The fourth proportional to 618,255.04, 926,755.12 and 351,464.28 is: 526,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,255.04 : 926,755.12 = 351,464.28 : x
  2. Step 2: Convert to fraction form
    618,255.04/926,755.12 = 351,464.28/x
  3. Step 3: Cross multiply
    618,255.04x = 926,755.12 × 351,464.28
  4. Step 4: Simplify right side
    618,255.04x = 325,721,320,987.11
  5. Step 5: Solve for x
    x = 325,721,320,987.11/618,255.04
  6. Step 6: Final answer
    x = 526,839.73

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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.