Home / 891,181.80-1,336,967.10-260,044.20

Finding the Fourth Proportional to 891,181.80, 1,336,967.10 and 260,044.20

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Solution

The fourth proportional to 891,181.80, 1,336,967.10 and 260,044.20 is: 390,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,181.80 : 1,336,967.10 = 260,044.20 : x
  2. Step 2: Convert to fraction form
    891,181.80/1,336,967.10 = 260,044.20/x
  3. Step 3: Cross multiply
    891,181.80x = 1,336,967.10 × 260,044.20
  4. Step 4: Simplify right side
    891,181.80x = 347,670,539,945.82
  5. Step 5: Solve for x
    x = 347,670,539,945.82/891,181.80
  6. Step 6: Final answer
    x = 390,123.03

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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.