Home / 676,976.91-1,015,530.06-190,657.84

Finding the Fourth Proportional to 676,976.91, 1,015,530.06 and 190,657.84

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Solution

The fourth proportional to 676,976.91, 1,015,530.06 and 190,657.84 is: 286,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976.91 : 1,015,530.06 = 190,657.84 : x
  2. Step 2: Convert to fraction form
    676,976.91/1,015,530.06 = 190,657.84/x
  3. Step 3: Cross multiply
    676,976.91x = 1,015,530.06 × 190,657.84
  4. Step 4: Simplify right side
    676,976.91x = 193,618,762,617.02
  5. Step 5: Solve for x
    x = 193,618,762,617.02/676,976.91
  6. Step 6: Final answer
    x = 286,004.97

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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.