Home / 718,222.44-991,053.74-412,312.18

Finding the Fourth Proportional to 718,222.44, 991,053.74 and 412,312.18

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Solution

The fourth proportional to 718,222.44, 991,053.74 and 412,312.18 is: 568,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,222.44 : 991,053.74 = 412,312.18 : x
  2. Step 2: Convert to fraction form
    718,222.44/991,053.74 = 412,312.18/x
  3. Step 3: Cross multiply
    718,222.44x = 991,053.74 × 412,312.18
  4. Step 4: Simplify right side
    718,222.44x = 408,623,528,036.55
  5. Step 5: Solve for x
    x = 408,623,528,036.55/718,222.44
  6. Step 6: Final answer
    x = 568,937.29

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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.