Home / 710,015.60-979,826.96-404,115.46

Finding the Fourth Proportional to 710,015.60, 979,826.96 and 404,115.46

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Solution

The fourth proportional to 710,015.60, 979,826.96 and 404,115.46 is: 557,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,015.60 : 979,826.96 = 404,115.46 : x
  2. Step 2: Convert to fraction form
    710,015.60/979,826.96 = 404,115.46/x
  3. Step 3: Cross multiply
    710,015.60x = 979,826.96 × 404,115.46
  4. Step 4: Simplify right side
    710,015.60x = 395,963,222,660.80
  5. Step 5: Solve for x
    x = 395,963,222,660.80/710,015.60
  6. Step 6: Final answer
    x = 557,682.43

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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.