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Finding the Fourth Proportional to 627,827.52, 942,019.65 and 357,945.78

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Solution

The fourth proportional to 627,827.52, 942,019.65 and 357,945.78 is: 537,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,827.52 : 942,019.65 = 357,945.78 : x
  2. Step 2: Convert to fraction form
    627,827.52/942,019.65 = 357,945.78/x
  3. Step 3: Cross multiply
    627,827.52x = 942,019.65 × 357,945.78
  4. Step 4: Simplify right side
    627,827.52x = 337,191,958,394.58
  5. Step 5: Solve for x
    x = 337,191,958,394.58/627,827.52
  6. Step 6: Final answer
    x = 537,077.38

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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.