Home / 757,030.60-1,137,125.40-638,932.60

Finding the Fourth Proportional to 757,030.60, 1,137,125.40 and 638,932.60

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Solution

The fourth proportional to 757,030.60, 1,137,125.40 and 638,932.60 is: 959,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,030.60 : 1,137,125.40 = 638,932.60 : x
  2. Step 2: Convert to fraction form
    757,030.60/1,137,125.40 = 638,932.60/x
  3. Step 3: Cross multiply
    757,030.60x = 1,137,125.40 × 638,932.60
  4. Step 4: Simplify right side
    757,030.60x = 726,546,488,348.04
  5. Step 5: Solve for x
    x = 726,546,488,348.04/757,030.60
  6. Step 6: Final answer
    x = 959,732.00

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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.