Home / 903,907.83-1,247,389.38-496,016.49

Finding the Fourth Proportional to 903,907.83, 1,247,389.38 and 496,016.49

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Solution

The fourth proportional to 903,907.83, 1,247,389.38 and 496,016.49 is: 684,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,907.83 : 1,247,389.38 = 496,016.49 : x
  2. Step 2: Convert to fraction form
    903,907.83/1,247,389.38 = 496,016.49/x
  3. Step 3: Cross multiply
    903,907.83x = 1,247,389.38 × 496,016.49
  4. Step 4: Simplify right side
    903,907.83x = 618,725,701,930.88
  5. Step 5: Solve for x
    x = 618,725,701,930.88/903,907.83
  6. Step 6: Final answer
    x = 684,500.88

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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.