Home / 644,162.40-888,927.03-357,675.12

Finding the Fourth Proportional to 644,162.40, 888,927.03 and 357,675.12

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Solution

The fourth proportional to 644,162.40, 888,927.03 and 357,675.12 is: 493,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,162.40 : 888,927.03 = 357,675.12 : x
  2. Step 2: Convert to fraction form
    644,162.40/888,927.03 = 357,675.12/x
  3. Step 3: Cross multiply
    644,162.40x = 888,927.03 × 357,675.12
  4. Step 4: Simplify right side
    644,162.40x = 317,947,082,126.49
  5. Step 5: Solve for x
    x = 317,947,082,126.49/644,162.40
  6. Step 6: Final answer
    x = 493,582.18

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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.