Home / 495,238.25-683,419.28-291,311.44

Finding the Fourth Proportional to 495,238.25, 683,419.28 and 291,311.44

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Solution

The fourth proportional to 495,238.25, 683,419.28 and 291,311.44 is: 402,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,238.25 : 683,419.28 = 291,311.44 : x
  2. Step 2: Convert to fraction form
    495,238.25/683,419.28 = 291,311.44/x
  3. Step 3: Cross multiply
    495,238.25x = 683,419.28 × 291,311.44
  4. Step 4: Simplify right side
    495,238.25x = 199,087,851,415.46
  5. Step 5: Solve for x
    x = 199,087,851,415.46/495,238.25
  6. Step 6: Final answer
    x = 402,004.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.