Home / 894,166.34-1,341,840.41-420,987.02

Finding the Fourth Proportional to 894,166.34, 1,341,840.41 and 420,987.02

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Solution

The fourth proportional to 894,166.34, 1,341,840.41 and 420,987.02 is: 631,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,166.34 : 1,341,840.41 = 420,987.02 : x
  2. Step 2: Convert to fraction form
    894,166.34/1,341,840.41 = 420,987.02/x
  3. Step 3: Cross multiply
    894,166.34x = 1,341,840.41 × 420,987.02
  4. Step 4: Simplify right side
    894,166.34x = 564,897,393,416.54
  5. Step 5: Solve for x
    x = 564,897,393,416.54/894,166.34
  6. Step 6: Final answer
    x = 631,758.73

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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.