Home / 690,656.24-1,036,125.30-291,296.27

Finding the Fourth Proportional to 690,656.24, 1,036,125.30 and 291,296.27

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Solution

The fourth proportional to 690,656.24, 1,036,125.30 and 291,296.27 is: 437,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,656.24 : 1,036,125.30 = 291,296.27 : x
  2. Step 2: Convert to fraction form
    690,656.24/1,036,125.30 = 291,296.27/x
  3. Step 3: Cross multiply
    690,656.24x = 1,036,125.30 × 291,296.27
  4. Step 4: Simplify right side
    690,656.24x = 301,819,435,142.63
  5. Step 5: Solve for x
    x = 301,819,435,142.63/690,656.24
  6. Step 6: Final answer
    x = 437,003.85

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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.