Home / 738,103.75-1,018,658.42-451,813.03

Finding the Fourth Proportional to 738,103.75, 1,018,658.42 and 451,813.03

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Solution

The fourth proportional to 738,103.75, 1,018,658.42 and 451,813.03 is: 623,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,103.75 : 1,018,658.42 = 451,813.03 : x
  2. Step 2: Convert to fraction form
    738,103.75/1,018,658.42 = 451,813.03/x
  3. Step 3: Cross multiply
    738,103.75x = 1,018,658.42 × 451,813.03
  4. Step 4: Simplify right side
    738,103.75x = 460,243,147,275.21
  5. Step 5: Solve for x
    x = 460,243,147,275.21/738,103.75
  6. Step 6: Final answer
    x = 623,548.04

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1.5x scale

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.