Home / 639,525.28-882,552.04-353,045.52

Finding the Fourth Proportional to 639,525.28, 882,552.04 and 353,045.52

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Solution

The fourth proportional to 639,525.28, 882,552.04 and 353,045.52 is: 487,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,525.28 : 882,552.04 = 353,045.52 : x
  2. Step 2: Convert to fraction form
    639,525.28/882,552.04 = 353,045.52/x
  3. Step 3: Cross multiply
    639,525.28x = 882,552.04 × 353,045.52
  4. Step 4: Simplify right side
    639,525.28x = 311,581,043,888.86
  5. Step 5: Solve for x
    x = 311,581,043,888.86/639,525.28
  6. Step 6: Final answer
    x = 487,206.77

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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.