Home / 755,104.10-1,041,861.36-445,019.43

Finding the Fourth Proportional to 755,104.10, 1,041,861.36 and 445,019.43

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Solution

The fourth proportional to 755,104.10, 1,041,861.36 and 445,019.43 is: 614,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,104.10 : 1,041,861.36 = 445,019.43 : x
  2. Step 2: Convert to fraction form
    755,104.10/1,041,861.36 = 445,019.43/x
  3. Step 3: Cross multiply
    755,104.10x = 1,041,861.36 × 445,019.43
  4. Step 4: Simplify right side
    755,104.10x = 463,648,548,566.23
  5. Step 5: Solve for x
    x = 463,648,548,566.23/755,104.10
  6. Step 6: Final answer
    x = 614,019.38

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Double scale
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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.