Home / 495,739.68-684,120.24-269,384.64

Finding the Fourth Proportional to 495,739.68, 684,120.24 and 269,384.64

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Solution

The fourth proportional to 495,739.68, 684,120.24 and 269,384.64 is: 371,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,739.68 : 684,120.24 = 269,384.64 : x
  2. Step 2: Convert to fraction form
    495,739.68/684,120.24 = 269,384.64/x
  3. Step 3: Cross multiply
    495,739.68x = 684,120.24 × 269,384.64
  4. Step 4: Simplify right side
    495,739.68x = 184,291,484,569.11
  5. Step 5: Solve for x
    x = 184,291,484,569.11/495,739.68
  6. Step 6: Final answer
    x = 371,750.52

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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.