Home / 724,530.43-999,832.53-434,305.95

Finding the Fourth Proportional to 724,530.43, 999,832.53 and 434,305.95

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Solution

The fourth proportional to 724,530.43, 999,832.53 and 434,305.95 is: 599,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,530.43 : 999,832.53 = 434,305.95 : x
  2. Step 2: Convert to fraction form
    724,530.43/999,832.53 = 434,305.95/x
  3. Step 3: Cross multiply
    724,530.43x = 999,832.53 × 434,305.95
  4. Step 4: Simplify right side
    724,530.43x = 434,233,216,782.55
  5. Step 5: Solve for x
    x = 434,233,216,782.55/724,530.43
  6. Step 6: Final answer
    x = 599,330.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.