Home / 988,846.80-1,481,301.90-515,798.70

Finding the Fourth Proportional to 988,846.80, 1,481,301.90 and 515,798.70

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Solution

The fourth proportional to 988,846.80, 1,481,301.90 and 515,798.70 is: 772,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,846.80 : 1,481,301.90 = 515,798.70 : x
  2. Step 2: Convert to fraction form
    988,846.80/1,481,301.90 = 515,798.70/x
  3. Step 3: Cross multiply
    988,846.80x = 1,481,301.90 × 515,798.70
  4. Step 4: Simplify right side
    988,846.80x = 764,053,594,327.53
  5. Step 5: Solve for x
    x = 764,053,594,327.53/988,846.80
  6. Step 6: Final answer
    x = 772,671.35

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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.