Home / 915,377.87-1,263,296.03-507,607.61

Finding the Fourth Proportional to 915,377.87, 1,263,296.03 and 507,607.61

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Solution

The fourth proportional to 915,377.87, 1,263,296.03 and 507,607.61 is: 700,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,377.87 : 1,263,296.03 = 507,607.61 : x
  2. Step 2: Convert to fraction form
    915,377.87/1,263,296.03 = 507,607.61/x
  3. Step 3: Cross multiply
    915,377.87x = 1,263,296.03 × 507,607.61
  4. Step 4: Simplify right side
    915,377.87x = 641,258,673,463.33
  5. Step 5: Solve for x
    x = 641,258,673,463.33/915,377.87
  6. Step 6: Final answer
    x = 700,539.85

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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.