Home / 662,262.49-913,923.99-375,781.81

Finding the Fourth Proportional to 662,262.49, 913,923.99 and 375,781.81

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Solution

The fourth proportional to 662,262.49, 913,923.99 and 375,781.81 is: 518,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,262.49 : 913,923.99 = 375,781.81 : x
  2. Step 2: Convert to fraction form
    662,262.49/913,923.99 = 375,781.81/x
  3. Step 3: Cross multiply
    662,262.49x = 913,923.99 × 375,781.81
  4. Step 4: Simplify right side
    662,262.49x = 343,436,011,164.62
  5. Step 5: Solve for x
    x = 343,436,011,164.62/662,262.49
  6. Step 6: Final answer
    x = 518,579.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.