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Finding the Fourth Proportional to 567,019.93, 850,531.32 and 388,987.21

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Solution

The fourth proportional to 567,019.93, 850,531.32 and 388,987.21 is: 583,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,019.93 : 850,531.32 = 388,987.21 : x
  2. Step 2: Convert to fraction form
    567,019.93/850,531.32 = 388,987.21/x
  3. Step 3: Cross multiply
    567,019.93x = 850,531.32 × 388,987.21
  4. Step 4: Simplify right side
    567,019.93x = 330,845,805,184.42
  5. Step 5: Solve for x
    x = 330,845,805,184.42/567,019.93
  6. Step 6: Final answer
    x = 583,481.79

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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.