Home / 495,921.54-684,446.55-302,441.49

Finding the Fourth Proportional to 495,921.54, 684,446.55 and 302,441.49

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Solution

The fourth proportional to 495,921.54, 684,446.55 and 302,441.49 is: 417,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,921.54 : 684,446.55 = 302,441.49 : x
  2. Step 2: Convert to fraction form
    495,921.54/684,446.55 = 302,441.49/x
  3. Step 3: Cross multiply
    495,921.54x = 684,446.55 × 302,441.49
  4. Step 4: Simplify right side
    495,921.54x = 207,005,034,407.36
  5. Step 5: Solve for x
    x = 207,005,034,407.36/495,921.54
  6. Step 6: Final answer
    x = 417,414.89

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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.