Home / 891,370.16-1,336,923.71-260,114.48

Finding the Fourth Proportional to 891,370.16, 1,336,923.71 and 260,114.48

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Solution

The fourth proportional to 891,370.16, 1,336,923.71 and 260,114.48 is: 390,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,370.16 : 1,336,923.71 = 260,114.48 : x
  2. Step 2: Convert to fraction form
    891,370.16/1,336,923.71 = 260,114.48/x
  3. Step 3: Cross multiply
    891,370.16x = 1,336,923.71 × 260,114.48
  4. Step 4: Simplify right side
    891,370.16x = 347,753,209,591.99
  5. Step 5: Solve for x
    x = 347,753,209,591.99/891,370.16
  6. Step 6: Final answer
    x = 390,133.33

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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.