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Finding the Fourth Proportional to 347,648.40, 522,250.20 and 333,478.80

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Solution

The fourth proportional to 347,648.40, 522,250.20 and 333,478.80 is: 500,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,648.40 : 522,250.20 = 333,478.80 : x
  2. Step 2: Convert to fraction form
    347,648.40/522,250.20 = 333,478.80/x
  3. Step 3: Cross multiply
    347,648.40x = 522,250.20 × 333,478.80
  4. Step 4: Simplify right side
    347,648.40x = 174,159,369,995.76
  5. Step 5: Solve for x
    x = 174,159,369,995.76/347,648.40
  6. Step 6: Final answer
    x = 500,964.11

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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.