Home / 758,873.88-1,138,898.34-285,989.40

Finding the Fourth Proportional to 758,873.88, 1,138,898.34 and 285,989.40

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Solution

The fourth proportional to 758,873.88, 1,138,898.34 and 285,989.40 is: 429,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,873.88 : 1,138,898.34 = 285,989.40 : x
  2. Step 2: Convert to fraction form
    758,873.88/1,138,898.34 = 285,989.40/x
  3. Step 3: Cross multiply
    758,873.88x = 1,138,898.34 × 285,989.40
  4. Step 4: Simplify right side
    758,873.88x = 325,712,852,917.60
  5. Step 5: Solve for x
    x = 325,712,852,917.60/758,873.88
  6. Step 6: Final answer
    x = 429,205.51

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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.