Home / 495,080.40-742,912.20-327,086.40

Finding the Fourth Proportional to 495,080.40, 742,912.20 and 327,086.40

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Solution

The fourth proportional to 495,080.40, 742,912.20 and 327,086.40 is: 490,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,080.40 : 742,912.20 = 327,086.40 : x
  2. Step 2: Convert to fraction form
    495,080.40/742,912.20 = 327,086.40/x
  3. Step 3: Cross multiply
    495,080.40x = 742,912.20 × 327,086.40
  4. Step 4: Simplify right side
    495,080.40x = 242,996,477,014.08
  5. Step 5: Solve for x
    x = 242,996,477,014.08/495,080.40
  6. Step 6: Final answer
    x = 490,822.25

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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.