Home / 495,863.02-684,276.60-281,022.94

Finding the Fourth Proportional to 495,863.02, 684,276.60 and 281,022.94

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Solution

The fourth proportional to 495,863.02, 684,276.60 and 281,022.94 is: 387,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,863.02 : 684,276.60 = 281,022.94 : x
  2. Step 2: Convert to fraction form
    495,863.02/684,276.60 = 281,022.94/x
  3. Step 3: Cross multiply
    495,863.02x = 684,276.60 × 281,022.94
  4. Step 4: Simplify right side
    495,863.02x = 192,297,421,905.20
  5. Step 5: Solve for x
    x = 192,297,421,905.20/495,863.02
  6. Step 6: Final answer
    x = 387,803.51

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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.