Home / 920,470.41-1,380,644.87-441,041.13

Finding the Fourth Proportional to 920,470.41, 1,380,644.87 and 441,041.13

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Solution

The fourth proportional to 920,470.41, 1,380,644.87 and 441,041.13 is: 661,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,470.41 : 1,380,644.87 = 441,041.13 : x
  2. Step 2: Convert to fraction form
    920,470.41/1,380,644.87 = 441,041.13/x
  3. Step 3: Cross multiply
    920,470.41x = 1,380,644.87 × 441,041.13
  4. Step 4: Simplify right side
    920,470.41x = 608,921,171,388.30
  5. Step 5: Solve for x
    x = 608,921,171,388.30/920,470.41
  6. Step 6: Final answer
    x = 661,532.59

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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.