Home / 683,560.40-1,025,340.60-347,637.20

Finding the Fourth Proportional to 683,560.40, 1,025,340.60 and 347,637.20

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Solution

The fourth proportional to 683,560.40, 1,025,340.60 and 347,637.20 is: 521,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,560.40 : 1,025,340.60 = 347,637.20 : x
  2. Step 2: Convert to fraction form
    683,560.40/1,025,340.60 = 347,637.20/x
  3. Step 3: Cross multiply
    683,560.40x = 1,025,340.60 × 347,637.20
  4. Step 4: Simplify right side
    683,560.40x = 356,446,535,230.32
  5. Step 5: Solve for x
    x = 356,446,535,230.32/683,560.40
  6. Step 6: Final answer
    x = 521,455.80

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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.