Home / 447,516.05-671,274.50-314,987.81

Finding the Fourth Proportional to 447,516.05, 671,274.50 and 314,987.81

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Solution

The fourth proportional to 447,516.05, 671,274.50 and 314,987.81 is: 472,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,516.05 : 671,274.50 = 314,987.81 : x
  2. Step 2: Convert to fraction form
    447,516.05/671,274.50 = 314,987.81/x
  3. Step 3: Cross multiply
    447,516.05x = 671,274.50 × 314,987.81
  4. Step 4: Simplify right side
    447,516.05x = 211,443,279,732.53
  5. Step 5: Solve for x
    x = 211,443,279,732.53/447,516.05
  6. Step 6: Final answer
    x = 472,482.01

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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.