Home / 648,620.46-895,088.07-362,142.90

Finding the Fourth Proportional to 648,620.46, 895,088.07 and 362,142.90

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Solution

The fourth proportional to 648,620.46, 895,088.07 and 362,142.90 is: 499,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,620.46 : 895,088.07 = 362,142.90 : x
  2. Step 2: Convert to fraction form
    648,620.46/895,088.07 = 362,142.90/x
  3. Step 3: Cross multiply
    648,620.46x = 895,088.07 × 362,142.90
  4. Step 4: Simplify right side
    648,620.46x = 324,149,789,425.20
  5. Step 5: Solve for x
    x = 324,149,789,425.20/648,620.46
  6. Step 6: Final answer
    x = 499,752.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.