Home / 495,998.28-684,433.80-275,241.24

Finding the Fourth Proportional to 495,998.28, 684,433.80 and 275,241.24

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Solution

The fourth proportional to 495,998.28, 684,433.80 and 275,241.24 is: 379,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,998.28 : 684,433.80 = 275,241.24 : x
  2. Step 2: Convert to fraction form
    495,998.28/684,433.80 = 275,241.24/x
  3. Step 3: Cross multiply
    495,998.28x = 684,433.80 × 275,241.24
  4. Step 4: Simplify right side
    495,998.28x = 188,384,407,809.91
  5. Step 5: Solve for x
    x = 188,384,407,809.91/495,998.28
  6. Step 6: Final answer
    x = 379,808.59

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1.5x scale

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.