Home / 608,815.53-913,075.67-253,635.80

Finding the Fourth Proportional to 608,815.53, 913,075.67 and 253,635.80

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Solution

The fourth proportional to 608,815.53, 913,075.67 and 253,635.80 is: 380,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,815.53 : 913,075.67 = 253,635.80 : x
  2. Step 2: Convert to fraction form
    608,815.53/913,075.67 = 253,635.80/x
  3. Step 3: Cross multiply
    608,815.53x = 913,075.67 × 253,635.80
  4. Step 4: Simplify right side
    608,815.53x = 231,588,672,187.43
  5. Step 5: Solve for x
    x = 231,588,672,187.43/608,815.53
  6. Step 6: Final answer
    x = 380,392.19

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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.