Home / 484,829.40-727,676.10-284,899.80

Finding the Fourth Proportional to 484,829.40, 727,676.10 and 284,899.80

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Solution

The fourth proportional to 484,829.40, 727,676.10 and 284,899.80 is: 427,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,829.40 : 727,676.10 = 284,899.80 : x
  2. Step 2: Convert to fraction form
    484,829.40/727,676.10 = 284,899.80/x
  3. Step 3: Cross multiply
    484,829.40x = 727,676.10 × 284,899.80
  4. Step 4: Simplify right side
    484,829.40x = 207,314,775,354.78
  5. Step 5: Solve for x
    x = 207,314,775,354.78/484,829.40
  6. Step 6: Final answer
    x = 427,603.56

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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.