Home / 690,693.08-1,036,150.34-291,392.66

Finding the Fourth Proportional to 690,693.08, 1,036,150.34 and 291,392.66

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Solution

The fourth proportional to 690,693.08, 1,036,150.34 and 291,392.66 is: 437,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,693.08 : 1,036,150.34 = 291,392.66 : x
  2. Step 2: Convert to fraction form
    690,693.08/1,036,150.34 = 291,392.66/x
  3. Step 3: Cross multiply
    690,693.08x = 1,036,150.34 × 291,392.66
  4. Step 4: Simplify right side
    690,693.08x = 301,926,604,865.92
  5. Step 5: Solve for x
    x = 301,926,604,865.92/690,693.08
  6. Step 6: Final answer
    x = 437,135.71

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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.