Home / 682,505.28-941,349.60-501,160.32

Finding the Fourth Proportional to 682,505.28, 941,349.60 and 501,160.32

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Solution

The fourth proportional to 682,505.28, 941,349.60 and 501,160.32 is: 691,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,505.28 : 941,349.60 = 501,160.32 : x
  2. Step 2: Convert to fraction form
    682,505.28/941,349.60 = 501,160.32/x
  3. Step 3: Cross multiply
    682,505.28x = 941,349.60 × 501,160.32
  4. Step 4: Simplify right side
    682,505.28x = 471,767,066,767.87
  5. Step 5: Solve for x
    x = 471,767,066,767.87/682,505.28
  6. Step 6: Final answer
    x = 691,228.45

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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.