Home / 780,972.50-1,171,459.06-248,493.89

Finding the Fourth Proportional to 780,972.50, 1,171,459.06 and 248,493.89

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Solution

The fourth proportional to 780,972.50, 1,171,459.06 and 248,493.89 is: 372,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,972.50 : 1,171,459.06 = 248,493.89 : x
  2. Step 2: Convert to fraction form
    780,972.50/1,171,459.06 = 248,493.89/x
  3. Step 3: Cross multiply
    780,972.50x = 1,171,459.06 × 248,493.89
  4. Step 4: Simplify right side
    780,972.50x = 291,100,421,102.56
  5. Step 5: Solve for x
    x = 291,100,421,102.56/780,972.50
  6. Step 6: Final answer
    x = 372,740.94

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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.