Home / 988,843.20-1,483,313.40-516,451.20

Finding the Fourth Proportional to 988,843.20, 1,483,313.40 and 516,451.20

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Solution

The fourth proportional to 988,843.20, 1,483,313.40 and 516,451.20 is: 774,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,843.20 : 1,483,313.40 = 516,451.20 : x
  2. Step 2: Convert to fraction form
    988,843.20/1,483,313.40 = 516,451.20/x
  3. Step 3: Cross multiply
    988,843.20x = 1,483,313.40 × 516,451.20
  4. Step 4: Simplify right side
    988,843.20x = 766,058,985,406.08
  5. Step 5: Solve for x
    x = 766,058,985,406.08/988,843.20
  6. Step 6: Final answer
    x = 774,702.18

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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.