Home / 349,718.40-524,577.60-322,891.20

Finding the Fourth Proportional to 349,718.40, 524,577.60 and 322,891.20

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Solution

The fourth proportional to 349,718.40, 524,577.60 and 322,891.20 is: 484,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,718.40 : 524,577.60 = 322,891.20 : x
  2. Step 2: Convert to fraction form
    349,718.40/524,577.60 = 322,891.20/x
  3. Step 3: Cross multiply
    349,718.40x = 524,577.60 × 322,891.20
  4. Step 4: Simplify right side
    349,718.40x = 169,381,490,757.12
  5. Step 5: Solve for x
    x = 169,381,490,757.12/349,718.40
  6. Step 6: Final answer
    x = 484,336.80

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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.