Home / 763,238.09-1,144,897.64-230,745.53

Finding the Fourth Proportional to 763,238.09, 1,144,897.64 and 230,745.53

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Solution

The fourth proportional to 763,238.09, 1,144,897.64 and 230,745.53 is: 346,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,238.09 : 1,144,897.64 = 230,745.53 : x
  2. Step 2: Convert to fraction form
    763,238.09/1,144,897.64 = 230,745.53/x
  3. Step 3: Cross multiply
    763,238.09x = 1,144,897.64 × 230,745.53
  4. Step 4: Simplify right side
    763,238.09x = 264,180,015,311.36
  5. Step 5: Solve for x
    x = 264,180,015,311.36/763,238.09
  6. Step 6: Final answer
    x = 346,130.54

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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.