Home / 939,822.20-1,296,951.35-510,102.30

Finding the Fourth Proportional to 939,822.20, 1,296,951.35 and 510,102.30

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Solution

The fourth proportional to 939,822.20, 1,296,951.35 and 510,102.30 is: 703,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,822.20 : 1,296,951.35 = 510,102.30 : x
  2. Step 2: Convert to fraction form
    939,822.20/1,296,951.35 = 510,102.30/x
  3. Step 3: Cross multiply
    939,822.20x = 1,296,951.35 × 510,102.30
  4. Step 4: Simplify right side
    939,822.20x = 661,577,864,072.59
  5. Step 5: Solve for x
    x = 661,577,864,072.59/939,822.20
  6. Step 6: Final answer
    x = 703,939.39

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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.