Home / 663,921.52-916,222.62-362,115.52

Finding the Fourth Proportional to 663,921.52, 916,222.62 and 362,115.52

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Solution

The fourth proportional to 663,921.52, 916,222.62 and 362,115.52 is: 499,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,921.52 : 916,222.62 = 362,115.52 : x
  2. Step 2: Convert to fraction form
    663,921.52/916,222.62 = 362,115.52/x
  3. Step 3: Cross multiply
    663,921.52x = 916,222.62 × 362,115.52
  4. Step 4: Simplify right side
    663,921.52x = 331,778,430,477.06
  5. Step 5: Solve for x
    x = 331,778,430,477.06/663,921.52
  6. Step 6: Final answer
    x = 499,725.37

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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.