Home / 644,036.46-888,725.94-357,534.36

Finding the Fourth Proportional to 644,036.46, 888,725.94 and 357,534.36

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Solution

The fourth proportional to 644,036.46, 888,725.94 and 357,534.36 is: 493,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,036.46 : 888,725.94 = 357,534.36 : x
  2. Step 2: Convert to fraction form
    644,036.46/888,725.94 = 357,534.36/x
  3. Step 3: Cross multiply
    644,036.46x = 888,725.94 × 357,534.36
  4. Step 4: Simplify right side
    644,036.46x = 317,750,060,173.30
  5. Step 5: Solve for x
    x = 317,750,060,173.30/644,036.46
  6. Step 6: Final answer
    x = 493,372.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.