Home / 901,640.48-1,244,264.25-493,767.72

Finding the Fourth Proportional to 901,640.48, 1,244,264.25 and 493,767.72

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Solution

The fourth proportional to 901,640.48, 1,244,264.25 and 493,767.72 is: 681,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,640.48 : 1,244,264.25 = 493,767.72 : x
  2. Step 2: Convert to fraction form
    901,640.48/1,244,264.25 = 493,767.72/x
  3. Step 3: Cross multiply
    901,640.48x = 1,244,264.25 × 493,767.72
  4. Step 4: Simplify right side
    901,640.48x = 614,377,521,800.01
  5. Step 5: Solve for x
    x = 614,377,521,800.01/901,640.48
  6. Step 6: Final answer
    x = 681,399.67

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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.