Home / 891,184.80-1,336,971.60-260,047.20

Finding the Fourth Proportional to 891,184.80, 1,336,971.60 and 260,047.20

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Solution

The fourth proportional to 891,184.80, 1,336,971.60 and 260,047.20 is: 390,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,184.80 : 1,336,971.60 = 260,047.20 : x
  2. Step 2: Convert to fraction form
    891,184.80/1,336,971.60 = 260,047.20/x
  3. Step 3: Cross multiply
    891,184.80x = 1,336,971.60 × 260,047.20
  4. Step 4: Simplify right side
    891,184.80x = 347,675,721,059.52
  5. Step 5: Solve for x
    x = 347,675,721,059.52/891,184.80
  6. Step 6: Final answer
    x = 390,127.53

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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.