Home / 629,899.07-869,223.26-357,929.22

Finding the Fourth Proportional to 629,899.07, 869,223.26 and 357,929.22

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Solution

The fourth proportional to 629,899.07, 869,223.26 and 357,929.22 is: 493,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,899.07 : 869,223.26 = 357,929.22 : x
  2. Step 2: Convert to fraction form
    629,899.07/869,223.26 = 357,929.22/x
  3. Step 3: Cross multiply
    629,899.07x = 869,223.26 × 357,929.22
  4. Step 4: Simplify right side
    629,899.07x = 311,120,401,092.89
  5. Step 5: Solve for x
    x = 311,120,401,092.89/629,899.07
  6. Step 6: Final answer
    x = 493,921.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.