Home / 628,232.50-942,651.15-312,716.98

Finding the Fourth Proportional to 628,232.50, 942,651.15 and 312,716.98

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Solution

The fourth proportional to 628,232.50, 942,651.15 and 312,716.98 is: 469,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,232.50 : 942,651.15 = 312,716.98 : x
  2. Step 2: Convert to fraction form
    628,232.50/942,651.15 = 312,716.98/x
  3. Step 3: Cross multiply
    628,232.50x = 942,651.15 × 312,716.98
  4. Step 4: Simplify right side
    628,232.50x = 294,783,020,821.53
  5. Step 5: Solve for x
    x = 294,783,020,821.53/628,232.50
  6. Step 6: Final answer
    x = 469,226.00

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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.