Home / 639,332.03-882,280.06-348,946.27

Finding the Fourth Proportional to 639,332.03, 882,280.06 and 348,946.27

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Solution

The fourth proportional to 639,332.03, 882,280.06 and 348,946.27 is: 481,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,332.03 : 882,280.06 = 348,946.27 : x
  2. Step 2: Convert to fraction form
    639,332.03/882,280.06 = 348,946.27/x
  3. Step 3: Cross multiply
    639,332.03x = 882,280.06 × 348,946.27
  4. Step 4: Simplify right side
    639,332.03x = 307,868,336,032.38
  5. Step 5: Solve for x
    x = 307,868,336,032.38/639,332.03
  6. Step 6: Final answer
    x = 481,546.87

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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.