Home / 767,416.32-1,151,243.04-261,859.20

Finding the Fourth Proportional to 767,416.32, 1,151,243.04 and 261,859.20

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Solution

The fourth proportional to 767,416.32, 1,151,243.04 and 261,859.20 is: 392,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,416.32 : 1,151,243.04 = 261,859.20 : x
  2. Step 2: Convert to fraction form
    767,416.32/1,151,243.04 = 261,859.20/x
  3. Step 3: Cross multiply
    767,416.32x = 1,151,243.04 × 261,859.20
  4. Step 4: Simplify right side
    767,416.32x = 301,463,581,459.97
  5. Step 5: Solve for x
    x = 301,463,581,459.97/767,416.32
  6. Step 6: Final answer
    x = 392,829.26

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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.