Home / 988,293.72-1,364,089.50-649,221.24

Finding the Fourth Proportional to 988,293.72, 1,364,089.50 and 649,221.24

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Solution

The fourth proportional to 988,293.72, 1,364,089.50 and 649,221.24 is: 896,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,293.72 : 1,364,089.50 = 649,221.24 : x
  2. Step 2: Convert to fraction form
    988,293.72/1,364,089.50 = 649,221.24/x
  3. Step 3: Cross multiply
    988,293.72x = 1,364,089.50 × 649,221.24
  4. Step 4: Simplify right side
    988,293.72x = 885,595,876,660.98
  5. Step 5: Solve for x
    x = 885,595,876,660.98/988,293.72
  6. Step 6: Final answer
    x = 896,085.71

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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.