Home / 915,788.85-1,263,866.23-508,022.06

Finding the Fourth Proportional to 915,788.85, 1,263,866.23 and 508,022.06

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Solution

The fourth proportional to 915,788.85, 1,263,866.23 and 508,022.06 is: 701,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,788.85 : 1,263,866.23 = 508,022.06 : x
  2. Step 2: Convert to fraction form
    915,788.85/1,263,866.23 = 508,022.06/x
  3. Step 3: Cross multiply
    915,788.85x = 1,263,866.23 × 508,022.06
  4. Step 4: Simplify right side
    915,788.85x = 642,071,925,729.03
  5. Step 5: Solve for x
    x = 642,071,925,729.03/915,788.85
  6. Step 6: Final answer
    x = 701,113.50

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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.