Home / 453,904.84-681,460.38-387,769.96

Finding the Fourth Proportional to 453,904.84, 681,460.38 and 387,769.96

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Solution

The fourth proportional to 453,904.84, 681,460.38 and 387,769.96 is: 582,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.84 : 681,460.38 = 387,769.96 : x
  2. Step 2: Convert to fraction form
    453,904.84/681,460.38 = 387,769.96/x
  3. Step 3: Cross multiply
    453,904.84x = 681,460.38 × 387,769.96
  4. Step 4: Simplify right side
    453,904.84x = 264,249,864,294.19
  5. Step 5: Solve for x
    x = 264,249,864,294.19/453,904.84
  6. Step 6: Final answer
    x = 582,170.18

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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.