Home / 706,828.80-1,060,243.20-426,892.80

Finding the Fourth Proportional to 706,828.80, 1,060,243.20 and 426,892.80

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Solution

The fourth proportional to 706,828.80, 1,060,243.20 and 426,892.80 is: 640,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,828.80 : 1,060,243.20 = 426,892.80 : x
  2. Step 2: Convert to fraction form
    706,828.80/1,060,243.20 = 426,892.80/x
  3. Step 3: Cross multiply
    706,828.80x = 1,060,243.20 × 426,892.80
  4. Step 4: Simplify right side
    706,828.80x = 452,610,188,328.96
  5. Step 5: Solve for x
    x = 452,610,188,328.96/706,828.80
  6. Step 6: Final answer
    x = 640,339.20

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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.