Home / 639,255.08-882,503.69-466,979.63

Finding the Fourth Proportional to 639,255.08, 882,503.69 and 466,979.63

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Solution

The fourth proportional to 639,255.08, 882,503.69 and 466,979.63 is: 644,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,255.08 : 882,503.69 = 466,979.63 : x
  2. Step 2: Convert to fraction form
    639,255.08/882,503.69 = 466,979.63/x
  3. Step 3: Cross multiply
    639,255.08x = 882,503.69 × 466,979.63
  4. Step 4: Simplify right side
    639,255.08x = 412,111,239,882.42
  5. Step 5: Solve for x
    x = 412,111,239,882.42/639,255.08
  6. Step 6: Final answer
    x = 644,674.17

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1.5x scale

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.