Home / 724,818.66-1,087,589.19-325,744.74

Finding the Fourth Proportional to 724,818.66, 1,087,589.19 and 325,744.74

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Solution

The fourth proportional to 724,818.66, 1,087,589.19 and 325,744.74 is: 488,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,818.66 : 1,087,589.19 = 325,744.74 : x
  2. Step 2: Convert to fraction form
    724,818.66/1,087,589.19 = 325,744.74/x
  3. Step 3: Cross multiply
    724,818.66x = 1,087,589.19 × 325,744.74
  4. Step 4: Simplify right side
    724,818.66x = 354,276,457,923.36
  5. Step 5: Solve for x
    x = 354,276,457,923.36/724,818.66
  6. Step 6: Final answer
    x = 488,779.44

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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.