Home / 915,813.23-1,263,899.90-508,046.47

Finding the Fourth Proportional to 915,813.23, 1,263,899.90 and 508,046.47

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Solution

The fourth proportional to 915,813.23, 1,263,899.90 and 508,046.47 is: 701,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,813.23 : 1,263,899.90 = 508,046.47 : x
  2. Step 2: Convert to fraction form
    915,813.23/1,263,899.90 = 508,046.47/x
  3. Step 3: Cross multiply
    915,813.23x = 1,263,899.90 × 508,046.47
  4. Step 4: Simplify right side
    915,813.23x = 642,119,880,738.72
  5. Step 5: Solve for x
    x = 642,119,880,738.72/915,813.23
  6. Step 6: Final answer
    x = 701,147.20

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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.