Home / 683,374.40-1,025,061.60-347,451.20

Finding the Fourth Proportional to 683,374.40, 1,025,061.60 and 347,451.20

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Solution

The fourth proportional to 683,374.40, 1,025,061.60 and 347,451.20 is: 521,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,374.40 : 1,025,061.60 = 347,451.20 : x
  2. Step 2: Convert to fraction form
    683,374.40/1,025,061.60 = 347,451.20/x
  3. Step 3: Cross multiply
    683,374.40x = 1,025,061.60 × 347,451.20
  4. Step 4: Simplify right side
    683,374.40x = 356,158,882,993.92
  5. Step 5: Solve for x
    x = 356,158,882,993.92/683,374.40
  6. Step 6: Final answer
    x = 521,176.80

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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.