Home / 495,685.74-684,050.49-269,331.24

Finding the Fourth Proportional to 495,685.74, 684,050.49 and 269,331.24

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Solution

The fourth proportional to 495,685.74, 684,050.49 and 269,331.24 is: 371,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,685.74 : 684,050.49 = 269,331.24 : x
  2. Step 2: Convert to fraction form
    495,685.74/684,050.49 = 269,331.24/x
  3. Step 3: Cross multiply
    495,685.74x = 684,050.49 × 269,331.24
  4. Step 4: Simplify right side
    495,685.74x = 184,236,166,694.31
  5. Step 5: Solve for x
    x = 184,236,166,694.31/495,685.74
  6. Step 6: Final answer
    x = 371,679.38

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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.