Home / 789,103.62-1,088,971.09-426,534.56

Finding the Fourth Proportional to 789,103.62, 1,088,971.09 and 426,534.56

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Solution

The fourth proportional to 789,103.62, 1,088,971.09 and 426,534.56 is: 588,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,103.62 : 1,088,971.09 = 426,534.56 : x
  2. Step 2: Convert to fraction form
    789,103.62/1,088,971.09 = 426,534.56/x
  3. Step 3: Cross multiply
    789,103.62x = 1,088,971.09 × 426,534.56
  4. Step 4: Simplify right side
    789,103.62x = 464,483,802,298.32
  5. Step 5: Solve for x
    x = 464,483,802,298.32/789,103.62
  6. Step 6: Final answer
    x = 588,622.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.