Home / 454,343.02-626,997.64-250,401.28

Finding the Fourth Proportional to 454,343.02, 626,997.64 and 250,401.28

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Solution

The fourth proportional to 454,343.02, 626,997.64 and 250,401.28 is: 345,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,343.02 : 626,997.64 = 250,401.28 : x
  2. Step 2: Convert to fraction form
    454,343.02/626,997.64 = 250,401.28/x
  3. Step 3: Cross multiply
    454,343.02x = 626,997.64 × 250,401.28
  4. Step 4: Simplify right side
    454,343.02x = 157,001,011,612.98
  5. Step 5: Solve for x
    x = 157,001,011,612.98/454,343.02
  6. Step 6: Final answer
    x = 345,556.12

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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.