Home / 820,054.20-1,230,254.10-346,495.80

Finding the Fourth Proportional to 820,054.20, 1,230,254.10 and 346,495.80

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Solution

The fourth proportional to 820,054.20, 1,230,254.10 and 346,495.80 is: 519,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,054.20 : 1,230,254.10 = 346,495.80 : x
  2. Step 2: Convert to fraction form
    820,054.20/1,230,254.10 = 346,495.80/x
  3. Step 3: Cross multiply
    820,054.20x = 1,230,254.10 × 346,495.80
  4. Step 4: Simplify right side
    820,054.20x = 426,277,878,582.78
  5. Step 5: Solve for x
    x = 426,277,878,582.78/820,054.20
  6. Step 6: Final answer
    x = 519,816.71

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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.