Home / 619,799.08-930,196.88-320,367.48

Finding the Fourth Proportional to 619,799.08, 930,196.88 and 320,367.48

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Solution

The fourth proportional to 619,799.08, 930,196.88 and 320,367.48 is: 480,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,799.08 : 930,196.88 = 320,367.48 : x
  2. Step 2: Convert to fraction form
    619,799.08/930,196.88 = 320,367.48/x
  3. Step 3: Cross multiply
    619,799.08x = 930,196.88 × 320,367.48
  4. Step 4: Simplify right side
    619,799.08x = 298,004,830,349.46
  5. Step 5: Solve for x
    x = 298,004,830,349.46/619,799.08
  6. Step 6: Final answer
    x = 480,808.77

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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.