Home / 292,938.87-439,408.31-277,979.79

Finding the Fourth Proportional to 292,938.87, 439,408.31 and 277,979.79

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Solution

The fourth proportional to 292,938.87, 439,408.31 and 277,979.79 is: 416,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,938.87 : 439,408.31 = 277,979.79 : x
  2. Step 2: Convert to fraction form
    292,938.87/439,408.31 = 277,979.79/x
  3. Step 3: Cross multiply
    292,938.87x = 439,408.31 × 277,979.79
  4. Step 4: Simplify right side
    292,938.87x = 122,146,628,348.16
  5. Step 5: Solve for x
    x = 122,146,628,348.16/292,938.87
  6. Step 6: Final answer
    x = 416,969.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.