Home / 938,842.64-1,295,603.14-509,122.64

Finding the Fourth Proportional to 938,842.64, 1,295,603.14 and 509,122.64

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Solution

The fourth proportional to 938,842.64, 1,295,603.14 and 509,122.64 is: 702,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,842.64 : 1,295,603.14 = 509,122.64 : x
  2. Step 2: Convert to fraction form
    938,842.64/1,295,603.14 = 509,122.64/x
  3. Step 3: Cross multiply
    938,842.64x = 1,295,603.14 × 509,122.64
  4. Step 4: Simplify right side
    938,842.64x = 659,620,891,029.09
  5. Step 5: Solve for x
    x = 659,620,891,029.09/938,842.64
  6. Step 6: Final answer
    x = 702,589.40

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1.5x scale

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.