Home / 939,228.33-1,296,137.59-509,508.46

Finding the Fourth Proportional to 939,228.33, 1,296,137.59 and 509,508.46

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Solution

The fourth proportional to 939,228.33, 1,296,137.59 and 509,508.46 is: 703,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,228.33 : 1,296,137.59 = 509,508.46 : x
  2. Step 2: Convert to fraction form
    939,228.33/1,296,137.59 = 509,508.46/x
  3. Step 3: Cross multiply
    939,228.33x = 1,296,137.59 × 509,508.46
  4. Step 4: Simplify right side
    939,228.33x = 660,393,071,357.92
  5. Step 5: Solve for x
    x = 660,393,071,357.92/939,228.33
  6. Step 6: Final answer
    x = 703,123.03

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Double scale
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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.