Home / 724,108.69-1,086,515.79-297,772.60

Finding the Fourth Proportional to 724,108.69, 1,086,515.79 and 297,772.60

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Solution

The fourth proportional to 724,108.69, 1,086,515.79 and 297,772.60 is: 446,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,108.69 : 1,086,515.79 = 297,772.60 : x
  2. Step 2: Convert to fraction form
    724,108.69/1,086,515.79 = 297,772.60/x
  3. Step 3: Cross multiply
    724,108.69x = 1,086,515.79 × 297,772.60
  4. Step 4: Simplify right side
    724,108.69x = 323,534,631,729.35
  5. Step 5: Solve for x
    x = 323,534,631,729.35/724,108.69
  6. Step 6: Final answer
    x = 446,803.96

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1.5x scale

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.