Home / 783.03-1,175.32-587.35

Finding the Fourth Proportional to 783.03, 1,175.32 and 587.35

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Solution

The fourth proportional to 783.03, 1,175.32 and 587.35 is: 881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783.03 : 1,175.32 = 587.35 : x
  2. Step 2: Convert to fraction form
    783.03/1,175.32 = 587.35/x
  3. Step 3: Cross multiply
    783.03x = 1,175.32 × 587.35
  4. Step 4: Simplify right side
    783.03x = 690,318.33
  5. Step 5: Solve for x
    x = 690,318.33/783.03
  6. Step 6: Final answer
    x = 881.60

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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.