Home / 842,766.72-1,264,186.98-243,788.42

Finding the Fourth Proportional to 842,766.72, 1,264,186.98 and 243,788.42

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Solution

The fourth proportional to 842,766.72, 1,264,186.98 and 243,788.42 is: 365,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,766.72 : 1,264,186.98 = 243,788.42 : x
  2. Step 2: Convert to fraction form
    842,766.72/1,264,186.98 = 243,788.42/x
  3. Step 3: Cross multiply
    842,766.72x = 1,264,186.98 × 243,788.42
  4. Step 4: Simplify right side
    842,766.72x = 308,194,140,117.84
  5. Step 5: Solve for x
    x = 308,194,140,117.84/842,766.72
  6. Step 6: Final answer
    x = 365,693.30

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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.