Home / 724,659.78-1,082,109.81-591,803.58

Finding the Fourth Proportional to 724,659.78, 1,082,109.81 and 591,803.58

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Solution

The fourth proportional to 724,659.78, 1,082,109.81 and 591,803.58 is: 883,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,659.78 : 1,082,109.81 = 591,803.58 : x
  2. Step 2: Convert to fraction form
    724,659.78/1,082,109.81 = 591,803.58/x
  3. Step 3: Cross multiply
    724,659.78x = 1,082,109.81 × 591,803.58
  4. Step 4: Simplify right side
    724,659.78x = 640,396,459,511.12
  5. Step 5: Solve for x
    x = 640,396,459,511.12/724,659.78
  6. Step 6: Final answer
    x = 883,720.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.