Home / 387,625.20-581,437.80-335,137.20

Finding the Fourth Proportional to 387,625.20, 581,437.80 and 335,137.20

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Solution

The fourth proportional to 387,625.20, 581,437.80 and 335,137.20 is: 502,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,625.20 : 581,437.80 = 335,137.20 : x
  2. Step 2: Convert to fraction form
    387,625.20/581,437.80 = 335,137.20/x
  3. Step 3: Cross multiply
    387,625.20x = 581,437.80 × 335,137.20
  4. Step 4: Simplify right side
    387,625.20x = 194,861,436,266.16
  5. Step 5: Solve for x
    x = 194,861,436,266.16/387,625.20
  6. Step 6: Final answer
    x = 502,705.80

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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.