Home / 693,652.87-1,039,769.85-351,462.40

Finding the Fourth Proportional to 693,652.87, 1,039,769.85 and 351,462.40

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Solution

The fourth proportional to 693,652.87, 1,039,769.85 and 351,462.40 is: 526,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,652.87 : 1,039,769.85 = 351,462.40 : x
  2. Step 2: Convert to fraction form
    693,652.87/1,039,769.85 = 351,462.40/x
  3. Step 3: Cross multiply
    693,652.87x = 1,039,769.85 × 351,462.40
  4. Step 4: Simplify right side
    693,652.87x = 365,439,999,972.48
  5. Step 5: Solve for x
    x = 365,439,999,972.48/693,652.87
  6. Step 6: Final answer
    x = 526,834.12

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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.