Home / 672,875.64-1,009,175.76-192,974.94

Finding the Fourth Proportional to 672,875.64, 1,009,175.76 and 192,974.94

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Solution

The fourth proportional to 672,875.64, 1,009,175.76 and 192,974.94 is: 289,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,875.64 : 1,009,175.76 = 192,974.94 : x
  2. Step 2: Convert to fraction form
    672,875.64/1,009,175.76 = 192,974.94/x
  3. Step 3: Cross multiply
    672,875.64x = 1,009,175.76 × 192,974.94
  4. Step 4: Simplify right side
    672,875.64x = 194,745,631,735.45
  5. Step 5: Solve for x
    x = 194,745,631,735.45/672,875.64
  6. Step 6: Final answer
    x = 289,422.92

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1.5x scale

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.