Home / 811,995.57-1,218,116.34-589,038.44

Finding the Fourth Proportional to 811,995.57, 1,218,116.34 and 589,038.44

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Solution

The fourth proportional to 811,995.57, 1,218,116.34 and 589,038.44 is: 883,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,995.57 : 1,218,116.34 = 589,038.44 : x
  2. Step 2: Convert to fraction form
    811,995.57/1,218,116.34 = 589,038.44/x
  3. Step 3: Cross multiply
    811,995.57x = 1,218,116.34 × 589,038.44
  4. Step 4: Simplify right side
    811,995.57x = 717,517,342,561.53
  5. Step 5: Solve for x
    x = 717,517,342,561.53/811,995.57
  6. Step 6: Final answer
    x = 883,646.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.