Home / 873,881.18-1,310,962.71-258,447.50

Finding the Fourth Proportional to 873,881.18, 1,310,962.71 and 258,447.50

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Solution

The fourth proportional to 873,881.18, 1,310,962.71 and 258,447.50 is: 387,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,881.18 : 1,310,962.71 = 258,447.50 : x
  2. Step 2: Convert to fraction form
    873,881.18/1,310,962.71 = 258,447.50/x
  3. Step 3: Cross multiply
    873,881.18x = 1,310,962.71 × 258,447.50
  4. Step 4: Simplify right side
    873,881.18x = 338,815,034,992.73
  5. Step 5: Solve for x
    x = 338,815,034,992.73/873,881.18
  6. Step 6: Final answer
    x = 387,712.93

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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.