Home / 495,190.80-742,786.20-323,948.70

Finding the Fourth Proportional to 495,190.80, 742,786.20 and 323,948.70

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Solution

The fourth proportional to 495,190.80, 742,786.20 and 323,948.70 is: 485,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,190.80 : 742,786.20 = 323,948.70 : x
  2. Step 2: Convert to fraction form
    495,190.80/742,786.20 = 323,948.70/x
  3. Step 3: Cross multiply
    495,190.80x = 742,786.20 × 323,948.70
  4. Step 4: Simplify right side
    495,190.80x = 240,624,623,867.94
  5. Step 5: Solve for x
    x = 240,624,623,867.94/495,190.80
  6. Step 6: Final answer
    x = 485,923.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.