Home / 454,542.36-626,819.02-385,819.48

Finding the Fourth Proportional to 454,542.36, 626,819.02 and 385,819.48

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Solution

The fourth proportional to 454,542.36, 626,819.02 and 385,819.48 is: 532,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,542.36 : 626,819.02 = 385,819.48 : x
  2. Step 2: Convert to fraction form
    454,542.36/626,819.02 = 385,819.48/x
  3. Step 3: Cross multiply
    454,542.36x = 626,819.02 × 385,819.48
  4. Step 4: Simplify right side
    454,542.36x = 241,838,988,350.51
  5. Step 5: Solve for x
    x = 241,838,988,350.51/454,542.36
  6. Step 6: Final answer
    x = 532,049.40

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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.