Home / 487,246.10-729,832.35-404,302.10

Finding the Fourth Proportional to 487,246.10, 729,832.35 and 404,302.10

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Solution

The fourth proportional to 487,246.10, 729,832.35 and 404,302.10 is: 605,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,246.10 : 729,832.35 = 404,302.10 : x
  2. Step 2: Convert to fraction form
    487,246.10/729,832.35 = 404,302.10/x
  3. Step 3: Cross multiply
    487,246.10x = 729,832.35 × 404,302.10
  4. Step 4: Simplify right side
    487,246.10x = 295,072,751,752.94
  5. Step 5: Solve for x
    x = 295,072,751,752.94/487,246.10
  6. Step 6: Final answer
    x = 605,592.84

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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.