Home / 915,370.74-1,263,286.17-507,600.45

Finding the Fourth Proportional to 915,370.74, 1,263,286.17 and 507,600.45

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Solution

The fourth proportional to 915,370.74, 1,263,286.17 and 507,600.45 is: 700,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,370.74 : 1,263,286.17 = 507,600.45 : x
  2. Step 2: Convert to fraction form
    915,370.74/1,263,286.17 = 507,600.45/x
  3. Step 3: Cross multiply
    915,370.74x = 1,263,286.17 × 507,600.45
  4. Step 4: Simplify right side
    915,370.74x = 641,244,628,370.78
  5. Step 5: Solve for x
    x = 641,244,628,370.78/915,370.74
  6. Step 6: Final answer
    x = 700,529.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.