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Finding the Fourth Proportional to 557,134.30, 834,319.05 and 446,542.30

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Solution

The fourth proportional to 557,134.30, 834,319.05 and 446,542.30 is: 668,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,134.30 : 834,319.05 = 446,542.30 : x
  2. Step 2: Convert to fraction form
    557,134.30/834,319.05 = 446,542.30/x
  3. Step 3: Cross multiply
    557,134.30x = 834,319.05 × 446,542.30
  4. Step 4: Simplify right side
    557,134.30x = 372,558,747,520.82
  5. Step 5: Solve for x
    x = 372,558,747,520.82/557,134.30
  6. Step 6: Final answer
    x = 668,705.46

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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.