Home / 997,576.49-1,376,162.29-589,480.90

Finding the Fourth Proportional to 997,576.49, 1,376,162.29 and 589,480.90

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Solution

The fourth proportional to 997,576.49, 1,376,162.29 and 589,480.90 is: 813,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,576.49 : 1,376,162.29 = 589,480.90 : x
  2. Step 2: Convert to fraction form
    997,576.49/1,376,162.29 = 589,480.90/x
  3. Step 3: Cross multiply
    997,576.49x = 1,376,162.29 × 589,480.90
  4. Step 4: Simplify right side
    997,576.49x = 811,221,385,255.26
  5. Step 5: Solve for x
    x = 811,221,385,255.26/997,576.49
  6. Step 6: Final answer
    x = 813,192.16

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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.