Home / 762,156.09-1,051,728.17-422,624.34

Finding the Fourth Proportional to 762,156.09, 1,051,728.17 and 422,624.34

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Solution

The fourth proportional to 762,156.09, 1,051,728.17 and 422,624.34 is: 583,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,156.09 : 1,051,728.17 = 422,624.34 : x
  2. Step 2: Convert to fraction form
    762,156.09/1,051,728.17 = 422,624.34/x
  3. Step 3: Cross multiply
    762,156.09x = 1,051,728.17 × 422,624.34
  4. Step 4: Simplify right side
    762,156.09x = 444,485,921,592.54
  5. Step 5: Solve for x
    x = 444,485,921,592.54/762,156.09
  6. Step 6: Final answer
    x = 583,195.39

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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.