Home / 495,002.40-742,795.20-327,008.40

Finding the Fourth Proportional to 495,002.40, 742,795.20 and 327,008.40

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Solution

The fourth proportional to 495,002.40, 742,795.20 and 327,008.40 is: 490,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,002.40 : 742,795.20 = 327,008.40 : x
  2. Step 2: Convert to fraction form
    495,002.40/742,795.20 = 327,008.40/x
  3. Step 3: Cross multiply
    495,002.40x = 742,795.20 × 327,008.40
  4. Step 4: Simplify right side
    495,002.40x = 242,900,269,879.68
  5. Step 5: Solve for x
    x = 242,900,269,879.68/495,002.40
  6. Step 6: Final answer
    x = 490,705.24

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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.