Home / 958,053.30-1,438,025.43-508,772.88

Finding the Fourth Proportional to 958,053.30, 1,438,025.43 and 508,772.88

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Solution

The fourth proportional to 958,053.30, 1,438,025.43 and 508,772.88 is: 763,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,053.30 : 1,438,025.43 = 508,772.88 : x
  2. Step 2: Convert to fraction form
    958,053.30/1,438,025.43 = 508,772.88/x
  3. Step 3: Cross multiply
    958,053.30x = 1,438,025.43 × 508,772.88
  4. Step 4: Simplify right side
    958,053.30x = 731,628,339,534.34
  5. Step 5: Solve for x
    x = 731,628,339,534.34/958,053.30
  6. Step 6: Final answer
    x = 763,661.42

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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.