Home / 693,354.18-1,039,317.66-337,928.52

Finding the Fourth Proportional to 693,354.18, 1,039,317.66 and 337,928.52

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Solution

The fourth proportional to 693,354.18, 1,039,317.66 and 337,928.52 is: 506,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,354.18 : 1,039,317.66 = 337,928.52 : x
  2. Step 2: Convert to fraction form
    693,354.18/1,039,317.66 = 337,928.52/x
  3. Step 3: Cross multiply
    693,354.18x = 1,039,317.66 × 337,928.52
  4. Step 4: Simplify right side
    693,354.18x = 351,215,078,653.66
  5. Step 5: Solve for x
    x = 351,215,078,653.66/693,354.18
  6. Step 6: Final answer
    x = 506,544.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.