Home / 691,697.18-1,037,653.06-292,339.64

Finding the Fourth Proportional to 691,697.18, 1,037,653.06 and 292,339.64

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Solution

The fourth proportional to 691,697.18, 1,037,653.06 and 292,339.64 is: 438,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,697.18 : 1,037,653.06 = 292,339.64 : x
  2. Step 2: Convert to fraction form
    691,697.18/1,037,653.06 = 292,339.64/x
  3. Step 3: Cross multiply
    691,697.18x = 1,037,653.06 × 292,339.64
  4. Step 4: Simplify right side
    691,697.18x = 303,347,122,005.30
  5. Step 5: Solve for x
    x = 303,347,122,005.30/691,697.18
  6. Step 6: Final answer
    x = 438,554.81

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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.