Home / 501,581.45-752,583.23-312,200.21

Finding the Fourth Proportional to 501,581.45, 752,583.23 and 312,200.21

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Solution

The fourth proportional to 501,581.45, 752,583.23 and 312,200.21 is: 468,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,581.45 : 752,583.23 = 312,200.21 : x
  2. Step 2: Convert to fraction form
    501,581.45/752,583.23 = 312,200.21/x
  3. Step 3: Cross multiply
    501,581.45x = 752,583.23 × 312,200.21
  4. Step 4: Simplify right side
    501,581.45x = 234,956,642,448.48
  5. Step 5: Solve for x
    x = 234,956,642,448.48/501,581.45
  6. Step 6: Final answer
    x = 468,431.68

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Double scale
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Similar ratio
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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.