Home / 988,822.20-1,483,281.90-516,430.20

Finding the Fourth Proportional to 988,822.20, 1,483,281.90 and 516,430.20

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Solution

The fourth proportional to 988,822.20, 1,483,281.90 and 516,430.20 is: 774,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,822.20 : 1,483,281.90 = 516,430.20 : x
  2. Step 2: Convert to fraction form
    988,822.20/1,483,281.90 = 516,430.20/x
  3. Step 3: Cross multiply
    988,822.20x = 1,483,281.90 × 516,430.20
  4. Step 4: Simplify right side
    988,822.20x = 766,011,568,273.38
  5. Step 5: Solve for x
    x = 766,011,568,273.38/988,822.20
  6. Step 6: Final answer
    x = 774,670.68

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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.