Home / 891,182.80-1,336,968.60-260,045.20

Finding the Fourth Proportional to 891,182.80, 1,336,968.60 and 260,045.20

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Solution

The fourth proportional to 891,182.80, 1,336,968.60 and 260,045.20 is: 390,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,182.80 : 1,336,968.60 = 260,045.20 : x
  2. Step 2: Convert to fraction form
    891,182.80/1,336,968.60 = 260,045.20/x
  3. Step 3: Cross multiply
    891,182.80x = 1,336,968.60 × 260,045.20
  4. Step 4: Simplify right side
    891,182.80x = 347,672,266,980.72
  5. Step 5: Solve for x
    x = 347,672,266,980.72/891,182.80
  6. Step 6: Final answer
    x = 390,124.53

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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.