Home / 724,005.81-1,086,010.07-297,244.49

Finding the Fourth Proportional to 724,005.81, 1,086,010.07 and 297,244.49

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Solution

The fourth proportional to 724,005.81, 1,086,010.07 and 297,244.49 is: 445,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,005.81 : 1,086,010.07 = 297,244.49 : x
  2. Step 2: Convert to fraction form
    724,005.81/1,086,010.07 = 297,244.49/x
  3. Step 3: Cross multiply
    724,005.81x = 1,086,010.07 × 297,244.49
  4. Step 4: Simplify right side
    724,005.81x = 322,810,502,475.74
  5. Step 5: Solve for x
    x = 322,810,502,475.74/724,005.81
  6. Step 6: Final answer
    x = 445,867.28

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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.