Home / 705,204.80-1,057,807.20-425,268.80

Finding the Fourth Proportional to 705,204.80, 1,057,807.20 and 425,268.80

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Solution

The fourth proportional to 705,204.80, 1,057,807.20 and 425,268.80 is: 637,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,204.80 : 1,057,807.20 = 425,268.80 : x
  2. Step 2: Convert to fraction form
    705,204.80/1,057,807.20 = 425,268.80/x
  3. Step 3: Cross multiply
    705,204.80x = 1,057,807.20 × 425,268.80
  4. Step 4: Simplify right side
    705,204.80x = 449,852,398,575.36
  5. Step 5: Solve for x
    x = 449,852,398,575.36/705,204.80
  6. Step 6: Final answer
    x = 637,903.20

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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.