Home / 971,171.84-1,456,758.40-306,375.68

Finding the Fourth Proportional to 971,171.84, 1,456,758.40 and 306,375.68

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Solution

The fourth proportional to 971,171.84, 1,456,758.40 and 306,375.68 is: 459,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,171.84 : 1,456,758.40 = 306,375.68 : x
  2. Step 2: Convert to fraction form
    971,171.84/1,456,758.40 = 306,375.68/x
  3. Step 3: Cross multiply
    971,171.84x = 1,456,758.40 × 306,375.68
  4. Step 4: Simplify right side
    971,171.84x = 446,315,345,395.71
  5. Step 5: Solve for x
    x = 446,315,345,395.71/971,171.84
  6. Step 6: Final answer
    x = 459,563.72

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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.