Home / 901,251.48-1,243,728.59-493,353.57

Finding the Fourth Proportional to 901,251.48, 1,243,728.59 and 493,353.57

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Solution

The fourth proportional to 901,251.48, 1,243,728.59 and 493,353.57 is: 680,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,251.48 : 1,243,728.59 = 493,353.57 : x
  2. Step 2: Convert to fraction form
    901,251.48/1,243,728.59 = 493,353.57/x
  3. Step 3: Cross multiply
    901,251.48x = 1,243,728.59 × 493,353.57
  4. Step 4: Simplify right side
    901,251.48x = 613,597,939,987.57
  5. Step 5: Solve for x
    x = 613,597,939,987.57/901,251.48
  6. Step 6: Final answer
    x = 680,828.77

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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.