Home / 755,371.80-1,134,369.90-401,077.80

Finding the Fourth Proportional to 755,371.80, 1,134,369.90 and 401,077.80

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Solution

The fourth proportional to 755,371.80, 1,134,369.90 and 401,077.80 is: 602,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,371.80 : 1,134,369.90 = 401,077.80 : x
  2. Step 2: Convert to fraction form
    755,371.80/1,134,369.90 = 401,077.80/x
  3. Step 3: Cross multiply
    755,371.80x = 1,134,369.90 × 401,077.80
  4. Step 4: Simplify right side
    755,371.80x = 454,970,583,878.22
  5. Step 5: Solve for x
    x = 454,970,583,878.22/755,371.80
  6. Step 6: Final answer
    x = 602,313.44

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1.5x scale

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.