Home / 993,321.60-1,490,009.76-362,705.28

Finding the Fourth Proportional to 993,321.60, 1,490,009.76 and 362,705.28

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Solution

The fourth proportional to 993,321.60, 1,490,009.76 and 362,705.28 is: 544,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,321.60 : 1,490,009.76 = 362,705.28 : x
  2. Step 2: Convert to fraction form
    993,321.60/1,490,009.76 = 362,705.28/x
  3. Step 3: Cross multiply
    993,321.60x = 1,490,009.76 × 362,705.28
  4. Step 4: Simplify right side
    993,321.60x = 540,434,407,203.53
  5. Step 5: Solve for x
    x = 540,434,407,203.53/993,321.60
  6. Step 6: Final answer
    x = 544,067.91

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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.