Home / 648,615.49-895,091.11-362,145.83

Finding the Fourth Proportional to 648,615.49, 895,091.11 and 362,145.83

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Solution

The fourth proportional to 648,615.49, 895,091.11 and 362,145.83 is: 499,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,615.49 : 895,091.11 = 362,145.83 : x
  2. Step 2: Convert to fraction form
    648,615.49/895,091.11 = 362,145.83/x
  3. Step 3: Cross multiply
    648,615.49x = 895,091.11 × 362,145.83
  4. Step 4: Simplify right side
    648,615.49x = 324,153,507,575.75
  5. Step 5: Solve for x
    x = 324,153,507,575.75/648,615.49
  6. Step 6: Final answer
    x = 499,762.21

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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.