Home / 440,719.80-661,162.69-314,045.81

Finding the Fourth Proportional to 440,719.80, 661,162.69 and 314,045.81

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Solution

The fourth proportional to 440,719.80, 661,162.69 and 314,045.81 is: 471,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,719.80 : 661,162.69 = 314,045.81 : x
  2. Step 2: Convert to fraction form
    440,719.80/661,162.69 = 314,045.81/x
  3. Step 3: Cross multiply
    440,719.80x = 661,162.69 × 314,045.81
  4. Step 4: Simplify right side
    440,719.80x = 207,635,370,322.43
  5. Step 5: Solve for x
    x = 207,635,370,322.43/440,719.80
  6. Step 6: Final answer
    x = 471,127.84

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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.