Home / 811,228.10-1,119,578.90-467,076.31

Finding the Fourth Proportional to 811,228.10, 1,119,578.90 and 467,076.31

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Solution

The fourth proportional to 811,228.10, 1,119,578.90 and 467,076.31 is: 644,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,228.10 : 1,119,578.90 = 467,076.31 : x
  2. Step 2: Convert to fraction form
    811,228.10/1,119,578.90 = 467,076.31/x
  3. Step 3: Cross multiply
    811,228.10x = 1,119,578.90 × 467,076.31
  4. Step 4: Simplify right side
    811,228.10x = 522,928,776,231.53
  5. Step 5: Solve for x
    x = 522,928,776,231.53/811,228.10
  6. Step 6: Final answer
    x = 644,613.74

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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.