Home / 820,940.20-1,232,187.90-506,012.20

Finding the Fourth Proportional to 820,940.20, 1,232,187.90 and 506,012.20

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Solution

The fourth proportional to 820,940.20, 1,232,187.90 and 506,012.20 is: 759,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,940.20 : 1,232,187.90 = 506,012.20 : x
  2. Step 2: Convert to fraction form
    820,940.20/1,232,187.90 = 506,012.20/x
  3. Step 3: Cross multiply
    820,940.20x = 1,232,187.90 × 506,012.20
  4. Step 4: Simplify right side
    820,940.20x = 623,502,110,092.38
  5. Step 5: Solve for x
    x = 623,502,110,092.38/820,940.20
  6. Step 6: Final answer
    x = 759,497.60

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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.