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Finding the Fourth Proportional to 489,088.80, 733,633.20 and 347,371.20

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Solution

The fourth proportional to 489,088.80, 733,633.20 and 347,371.20 is: 521,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,088.80 : 733,633.20 = 347,371.20 : x
  2. Step 2: Convert to fraction form
    489,088.80/733,633.20 = 347,371.20/x
  3. Step 3: Cross multiply
    489,088.80x = 733,633.20 × 347,371.20
  4. Step 4: Simplify right side
    489,088.80x = 254,843,045,043.84
  5. Step 5: Solve for x
    x = 254,843,045,043.84/489,088.80
  6. Step 6: Final answer
    x = 521,056.80

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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.