Home / 811,426.80-1,119,497.01-467,255.31

Finding the Fourth Proportional to 811,426.80, 1,119,497.01 and 467,255.31

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Solution

The fourth proportional to 811,426.80, 1,119,497.01 and 467,255.31 is: 644,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,426.80 : 1,119,497.01 = 467,255.31 : x
  2. Step 2: Convert to fraction form
    811,426.80/1,119,497.01 = 467,255.31/x
  3. Step 3: Cross multiply
    811,426.80x = 1,119,497.01 × 467,255.31
  4. Step 4: Simplify right side
    811,426.80x = 523,090,922,451.62
  5. Step 5: Solve for x
    x = 523,090,922,451.62/811,426.80
  6. Step 6: Final answer
    x = 644,655.71

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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.