Home / 724,540.83-1,086,461.69-303,703.71

Finding the Fourth Proportional to 724,540.83, 1,086,461.69 and 303,703.71

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Solution

The fourth proportional to 724,540.83, 1,086,461.69 and 303,703.71 is: 455,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,540.83 : 1,086,461.69 = 303,703.71 : x
  2. Step 2: Convert to fraction form
    724,540.83/1,086,461.69 = 303,703.71/x
  3. Step 3: Cross multiply
    724,540.83x = 1,086,461.69 × 303,703.71
  4. Step 4: Simplify right side
    724,540.83x = 329,962,444,507.35
  5. Step 5: Solve for x
    x = 329,962,444,507.35/724,540.83
  6. Step 6: Final answer
    x = 455,409.04

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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.