Home / 891,208.80-1,337,007.60-260,071.20

Finding the Fourth Proportional to 891,208.80, 1,337,007.60 and 260,071.20

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Solution

The fourth proportional to 891,208.80, 1,337,007.60 and 260,071.20 is: 390,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,208.80 : 1,337,007.60 = 260,071.20 : x
  2. Step 2: Convert to fraction form
    891,208.80/1,337,007.60 = 260,071.20/x
  3. Step 3: Cross multiply
    891,208.80x = 1,337,007.60 × 260,071.20
  4. Step 4: Simplify right side
    891,208.80x = 347,717,170,941.12
  5. Step 5: Solve for x
    x = 347,717,170,941.12/891,208.80
  6. Step 6: Final answer
    x = 390,163.53

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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.