Home / 988,021-1,479,663.34-506,982.92

Finding the Fourth Proportional to 988,021, 1,479,663.34 and 506,982.92

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Solution

The fourth proportional to 988,021, 1,479,663.34 and 506,982.92 is: 759,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,021 : 1,479,663.34 = 506,982.92 : x
  2. Step 2: Convert to fraction form
    988,021/1,479,663.34 = 506,982.92/x
  3. Step 3: Cross multiply
    988,021x = 1,479,663.34 × 506,982.92
  4. Step 4: Simplify right side
    988,021x = 750,164,040,730.15
  5. Step 5: Solve for x
    x = 750,164,040,730.15/988,021
  6. Step 6: Final answer
    x = 759,259.21

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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.