Home / 840,151.92-1,259,848.80-240,975.60

Finding the Fourth Proportional to 840,151.92, 1,259,848.80 and 240,975.60

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Solution

The fourth proportional to 840,151.92, 1,259,848.80 and 240,975.60 is: 361,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,151.92 : 1,259,848.80 = 240,975.60 : x
  2. Step 2: Convert to fraction form
    840,151.92/1,259,848.80 = 240,975.60/x
  3. Step 3: Cross multiply
    840,151.92x = 1,259,848.80 × 240,975.60
  4. Step 4: Simplify right side
    840,151.92x = 303,592,820,489.28
  5. Step 5: Solve for x
    x = 303,592,820,489.28/840,151.92
  6. Step 6: Final answer
    x = 361,354.67

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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.