Home / 691,977.60-1,037,602.98-312,571.44

Finding the Fourth Proportional to 691,977.60, 1,037,602.98 and 312,571.44

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Solution

The fourth proportional to 691,977.60, 1,037,602.98 and 312,571.44 is: 468,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,977.60 : 1,037,602.98 = 312,571.44 : x
  2. Step 2: Convert to fraction form
    691,977.60/1,037,602.98 = 312,571.44/x
  3. Step 3: Cross multiply
    691,977.60x = 1,037,602.98 × 312,571.44
  4. Step 4: Simplify right side
    691,977.60x = 324,325,057,606.89
  5. Step 5: Solve for x
    x = 324,325,057,606.89/691,977.60
  6. Step 6: Final answer
    x = 468,693.00

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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.