Home / 709,648.25-1,064,487.45-254,269.14

Finding the Fourth Proportional to 709,648.25, 1,064,487.45 and 254,269.14

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Solution

The fourth proportional to 709,648.25, 1,064,487.45 and 254,269.14 is: 381,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,648.25 : 1,064,487.45 = 254,269.14 : x
  2. Step 2: Convert to fraction form
    709,648.25/1,064,487.45 = 254,269.14/x
  3. Step 3: Cross multiply
    709,648.25x = 1,064,487.45 × 254,269.14
  4. Step 4: Simplify right side
    709,648.25x = 270,666,310,865.36
  5. Step 5: Solve for x
    x = 270,666,310,865.36/709,648.25
  6. Step 6: Final answer
    x = 381,409.12

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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.