Home / 691,829.42-1,039,219.16-651,380.85

Finding the Fourth Proportional to 691,829.42, 1,039,219.16 and 651,380.85

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Solution

The fourth proportional to 691,829.42, 1,039,219.16 and 651,380.85 is: 978,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,829.42 : 1,039,219.16 = 651,380.85 : x
  2. Step 2: Convert to fraction form
    691,829.42/1,039,219.16 = 651,380.85/x
  3. Step 3: Cross multiply
    691,829.42x = 1,039,219.16 × 651,380.85
  4. Step 4: Simplify right side
    691,829.42x = 676,927,456,520.18
  5. Step 5: Solve for x
    x = 676,927,456,520.18/691,829.42
  6. Step 6: Final answer
    x = 978,460.07

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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.