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Finding the Fourth Proportional to 537,762.40, 806,449.20 and 271,434.40

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Solution

The fourth proportional to 537,762.40, 806,449.20 and 271,434.40 is: 407,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,762.40 : 806,449.20 = 271,434.40 : x
  2. Step 2: Convert to fraction form
    537,762.40/806,449.20 = 271,434.40/x
  3. Step 3: Cross multiply
    537,762.40x = 806,449.20 × 271,434.40
  4. Step 4: Simplify right side
    537,762.40x = 218,898,054,732.48
  5. Step 5: Solve for x
    x = 218,898,054,732.48/537,762.40
  6. Step 6: Final answer
    x = 407,053.48

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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.