Home / 820,434.60-1,230,646.24-441,533.56

Finding the Fourth Proportional to 820,434.60, 1,230,646.24 and 441,533.56

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Solution

The fourth proportional to 820,434.60, 1,230,646.24 and 441,533.56 is: 662,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,434.60 : 1,230,646.24 = 441,533.56 : x
  2. Step 2: Convert to fraction form
    820,434.60/1,230,646.24 = 441,533.56/x
  3. Step 3: Cross multiply
    820,434.60x = 1,230,646.24 × 441,533.56
  4. Step 4: Simplify right side
    820,434.60x = 543,371,615,447.81
  5. Step 5: Solve for x
    x = 543,371,615,447.81/820,434.60
  6. Step 6: Final answer
    x = 662,297.29

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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.