Home / 495,693.20-684,058.32-280,873.04

Finding the Fourth Proportional to 495,693.20, 684,058.32 and 280,873.04

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Solution

The fourth proportional to 495,693.20, 684,058.32 and 280,873.04 is: 387,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,693.20 : 684,058.32 = 280,873.04 : x
  2. Step 2: Convert to fraction form
    495,693.20/684,058.32 = 280,873.04/x
  3. Step 3: Cross multiply
    495,693.20x = 684,058.32 × 280,873.04
  4. Step 4: Simplify right side
    495,693.20x = 192,133,539,875.69
  5. Step 5: Solve for x
    x = 192,133,539,875.69/495,693.20
  6. Step 6: Final answer
    x = 387,605.76

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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.