Home / 740,179.26-1,021,021.01-445,623.92

Finding the Fourth Proportional to 740,179.26, 1,021,021.01 and 445,623.92

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Solution

The fourth proportional to 740,179.26, 1,021,021.01 and 445,623.92 is: 614,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,179.26 : 1,021,021.01 = 445,623.92 : x
  2. Step 2: Convert to fraction form
    740,179.26/1,021,021.01 = 445,623.92/x
  3. Step 3: Cross multiply
    740,179.26x = 1,021,021.01 × 445,623.92
  4. Step 4: Simplify right side
    740,179.26x = 454,991,377,545.34
  5. Step 5: Solve for x
    x = 454,991,377,545.34/740,179.26
  6. Step 6: Final answer
    x = 614,704.30

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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.