Home / 997,866.30-1,376,664.75-615,228.78

Finding the Fourth Proportional to 997,866.30, 1,376,664.75 and 615,228.78

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Solution

The fourth proportional to 997,866.30, 1,376,664.75 and 615,228.78 is: 848,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,866.30 : 1,376,664.75 = 615,228.78 : x
  2. Step 2: Convert to fraction form
    997,866.30/1,376,664.75 = 615,228.78/x
  3. Step 3: Cross multiply
    997,866.30x = 1,376,664.75 × 615,228.78
  4. Step 4: Simplify right side
    997,866.30x = 846,963,774,611.51
  5. Step 5: Solve for x
    x = 846,963,774,611.51/997,866.30
  6. Step 6: Final answer
    x = 848,774.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.