Home / 495,960.63-684,551.19-305,144.88

Finding the Fourth Proportional to 495,960.63, 684,551.19 and 305,144.88

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Solution

The fourth proportional to 495,960.63, 684,551.19 and 305,144.88 is: 421,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,960.63 : 684,551.19 = 305,144.88 : x
  2. Step 2: Convert to fraction form
    495,960.63/684,551.19 = 305,144.88/x
  3. Step 3: Cross multiply
    495,960.63x = 684,551.19 × 305,144.88
  4. Step 4: Simplify right side
    495,960.63x = 208,887,290,726.41
  5. Step 5: Solve for x
    x = 208,887,290,726.41/495,960.63
  6. Step 6: Final answer
    x = 421,177.16

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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.