Home / 413,823.63-620,723.04-114,322.14

Finding the Fourth Proportional to 413,823.63, 620,723.04 and 114,322.14

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Solution

The fourth proportional to 413,823.63, 620,723.04 and 114,322.14 is: 171,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,823.63 : 620,723.04 = 114,322.14 : x
  2. Step 2: Convert to fraction form
    413,823.63/620,723.04 = 114,322.14/x
  3. Step 3: Cross multiply
    413,823.63x = 620,723.04 × 114,322.14
  4. Step 4: Simplify right side
    413,823.63x = 70,962,386,280.11
  5. Step 5: Solve for x
    x = 70,962,386,280.11/413,823.63
  6. Step 6: Final answer
    x = 171,479.78

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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.