Home / 724,542.83-1,086,464.69-303,705.71

Finding the Fourth Proportional to 724,542.83, 1,086,464.69 and 303,705.71

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Solution

The fourth proportional to 724,542.83, 1,086,464.69 and 303,705.71 is: 455,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,542.83 : 1,086,464.69 = 303,705.71 : x
  2. Step 2: Convert to fraction form
    724,542.83/1,086,464.69 = 303,705.71/x
  3. Step 3: Cross multiply
    724,542.83x = 1,086,464.69 × 303,705.71
  4. Step 4: Simplify right side
    724,542.83x = 329,965,528,547.85
  5. Step 5: Solve for x
    x = 329,965,528,547.85/724,542.83
  6. Step 6: Final answer
    x = 455,412.04

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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.