Home / 811,002.27-1,119,104.22-448,376.48

Finding the Fourth Proportional to 811,002.27, 1,119,104.22 and 448,376.48

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Solution

The fourth proportional to 811,002.27, 1,119,104.22 and 448,376.48 is: 618,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,002.27 : 1,119,104.22 = 448,376.48 : x
  2. Step 2: Convert to fraction form
    811,002.27/1,119,104.22 = 448,376.48/x
  3. Step 3: Cross multiply
    811,002.27x = 1,119,104.22 × 448,376.48
  4. Step 4: Simplify right side
    811,002.27x = 501,780,010,916.75
  5. Step 5: Solve for x
    x = 501,780,010,916.75/811,002.27
  6. Step 6: Final answer
    x = 618,715.91

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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.