Home / 693,656.25-1,039,774.90-351,465.78

Finding the Fourth Proportional to 693,656.25, 1,039,774.90 and 351,465.78

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Solution

The fourth proportional to 693,656.25, 1,039,774.90 and 351,465.78 is: 526,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,656.25 : 1,039,774.90 = 351,465.78 : x
  2. Step 2: Convert to fraction form
    693,656.25/1,039,774.90 = 351,465.78/x
  3. Step 3: Cross multiply
    693,656.25x = 1,039,774.90 × 351,465.78
  4. Step 4: Simplify right side
    693,656.25x = 365,445,296,252.92
  5. Step 5: Solve for x
    x = 365,445,296,252.92/693,656.25
  6. Step 6: Final answer
    x = 526,839.19

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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.