Home / 710,435.70-1,065,628.98-177,961.32

Finding the Fourth Proportional to 710,435.70, 1,065,628.98 and 177,961.32

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Solution

The fourth proportional to 710,435.70, 1,065,628.98 and 177,961.32 is: 266,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,435.70 : 1,065,628.98 = 177,961.32 : x
  2. Step 2: Convert to fraction form
    710,435.70/1,065,628.98 = 177,961.32/x
  3. Step 3: Cross multiply
    710,435.70x = 1,065,628.98 × 177,961.32
  4. Step 4: Simplify right side
    710,435.70x = 189,640,739,911.05
  5. Step 5: Solve for x
    x = 189,640,739,911.05/710,435.70
  6. Step 6: Final answer
    x = 266,935.83

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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.