Home / 938,980.08-1,295,793.12-509,260.08

Finding the Fourth Proportional to 938,980.08, 1,295,793.12 and 509,260.08

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Solution

The fourth proportional to 938,980.08, 1,295,793.12 and 509,260.08 is: 702,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,980.08 : 1,295,793.12 = 509,260.08 : x
  2. Step 2: Convert to fraction form
    938,980.08/1,295,793.12 = 509,260.08/x
  3. Step 3: Cross multiply
    938,980.08x = 1,295,793.12 × 509,260.08
  4. Step 4: Simplify right side
    938,980.08x = 659,895,707,954.65
  5. Step 5: Solve for x
    x = 659,895,707,954.65/938,980.08
  6. Step 6: Final answer
    x = 702,779.24

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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.