Home / 873,657.18-1,310,484.33-274,670.64

Finding the Fourth Proportional to 873,657.18, 1,310,484.33 and 274,670.64

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Solution

The fourth proportional to 873,657.18, 1,310,484.33 and 274,670.64 is: 412,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,657.18 : 1,310,484.33 = 274,670.64 : x
  2. Step 2: Convert to fraction form
    873,657.18/1,310,484.33 = 274,670.64/x
  3. Step 3: Cross multiply
    873,657.18x = 1,310,484.33 × 274,670.64
  4. Step 4: Simplify right side
    873,657.18x = 359,951,569,631.07
  5. Step 5: Solve for x
    x = 359,951,569,631.07/873,657.18
  6. Step 6: Final answer
    x = 412,005.51

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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.