Home / 705,395.18-1,057,822.01-300,330.57

Finding the Fourth Proportional to 705,395.18, 1,057,822.01 and 300,330.57

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Solution

The fourth proportional to 705,395.18, 1,057,822.01 and 300,330.57 is: 450,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,395.18 : 1,057,822.01 = 300,330.57 : x
  2. Step 2: Convert to fraction form
    705,395.18/1,057,822.01 = 300,330.57/x
  3. Step 3: Cross multiply
    705,395.18x = 1,057,822.01 × 300,330.57
  4. Step 4: Simplify right side
    705,395.18x = 317,696,292,502.63
  5. Step 5: Solve for x
    x = 317,696,292,502.63/705,395.18
  6. Step 6: Final answer
    x = 450,380.58

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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.