Home / 726,529.45-1,089,302.10-371,251.30

Finding the Fourth Proportional to 726,529.45, 1,089,302.10 and 371,251.30

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Solution

The fourth proportional to 726,529.45, 1,089,302.10 and 371,251.30 is: 556,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,529.45 : 1,089,302.10 = 371,251.30 : x
  2. Step 2: Convert to fraction form
    726,529.45/1,089,302.10 = 371,251.30/x
  3. Step 3: Cross multiply
    726,529.45x = 1,089,302.10 × 371,251.30
  4. Step 4: Simplify right side
    726,529.45x = 404,404,820,717.73
  5. Step 5: Solve for x
    x = 404,404,820,717.73/726,529.45
  6. Step 6: Final answer
    x = 556,625.50

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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.