Home / 803,641.85-1,108,945.00-481,343.66

Finding the Fourth Proportional to 803,641.85, 1,108,945.00 and 481,343.66

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Solution

The fourth proportional to 803,641.85, 1,108,945.00 and 481,343.66 is: 664,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,641.85 : 1,108,945.00 = 481,343.66 : x
  2. Step 2: Convert to fraction form
    803,641.85/1,108,945.00 = 481,343.66/x
  3. Step 3: Cross multiply
    803,641.85x = 1,108,945.00 × 481,343.66
  4. Step 4: Simplify right side
    803,641.85x = 533,783,651,845.79
  5. Step 5: Solve for x
    x = 533,783,651,845.79/803,641.85
  6. Step 6: Final answer
    x = 664,205.89

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1.5x scale

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.