Home / 840,153.92-1,259,851.80-240,977.60

Finding the Fourth Proportional to 840,153.92, 1,259,851.80 and 240,977.60

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Solution

The fourth proportional to 840,153.92, 1,259,851.80 and 240,977.60 is: 361,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,153.92 : 1,259,851.80 = 240,977.60 : x
  2. Step 2: Convert to fraction form
    840,153.92/1,259,851.80 = 240,977.60/x
  3. Step 3: Cross multiply
    840,153.92x = 1,259,851.80 × 240,977.60
  4. Step 4: Simplify right side
    840,153.92x = 303,596,063,119.68
  5. Step 5: Solve for x
    x = 303,596,063,119.68/840,153.92
  6. Step 6: Final answer
    x = 361,357.67

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Double scale
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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.