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Finding the Fourth Proportional to 610,445.12, 842,390.88 and 338,524.16

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Solution

The fourth proportional to 610,445.12, 842,390.88 and 338,524.16 is: 467,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,445.12 : 842,390.88 = 338,524.16 : x
  2. Step 2: Convert to fraction form
    610,445.12/842,390.88 = 338,524.16/x
  3. Step 3: Cross multiply
    610,445.12x = 842,390.88 × 338,524.16
  4. Step 4: Simplify right side
    610,445.12x = 285,169,665,043.66
  5. Step 5: Solve for x
    x = 285,169,665,043.66/610,445.12
  6. Step 6: Final answer
    x = 467,150.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.