Home / 479,430.92-661,614-264,570.95

Finding the Fourth Proportional to 479,430.92, 661,614 and 264,570.95

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Solution

The fourth proportional to 479,430.92, 661,614 and 264,570.95 is: 365,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,430.92 : 661,614 = 264,570.95 : x
  2. Step 2: Convert to fraction form
    479,430.92/661,614 = 264,570.95/x
  3. Step 3: Cross multiply
    479,430.92x = 661,614 × 264,570.95
  4. Step 4: Simplify right side
    479,430.92x = 175,043,844,513.30
  5. Step 5: Solve for x
    x = 175,043,844,513.30/479,430.92
  6. Step 6: Final answer
    x = 365,107.54

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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.