Home / 349,726.40-524,589.60-322,899.20

Finding the Fourth Proportional to 349,726.40, 524,589.60 and 322,899.20

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Solution

The fourth proportional to 349,726.40, 524,589.60 and 322,899.20 is: 484,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,726.40 : 524,589.60 = 322,899.20 : x
  2. Step 2: Convert to fraction form
    349,726.40/524,589.60 = 322,899.20/x
  3. Step 3: Cross multiply
    349,726.40x = 524,589.60 × 322,899.20
  4. Step 4: Simplify right side
    349,726.40x = 169,389,562,168.32
  5. Step 5: Solve for x
    x = 169,389,562,168.32/349,726.40
  6. Step 6: Final answer
    x = 484,348.80

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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.