Home / 993,108.80-1,489,663.20-519,939.20

Finding the Fourth Proportional to 993,108.80, 1,489,663.20 and 519,939.20

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Solution

The fourth proportional to 993,108.80, 1,489,663.20 and 519,939.20 is: 779,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,108.80 : 1,489,663.20 = 519,939.20 : x
  2. Step 2: Convert to fraction form
    993,108.80/1,489,663.20 = 519,939.20/x
  3. Step 3: Cross multiply
    993,108.80x = 1,489,663.20 × 519,939.20
  4. Step 4: Simplify right side
    993,108.80x = 774,534,292,477.44
  5. Step 5: Solve for x
    x = 774,534,292,477.44/993,108.80
  6. Step 6: Final answer
    x = 779,908.80

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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.