Home / 909,627.09-1,255,263.38-501,720.17

Finding the Fourth Proportional to 909,627.09, 1,255,263.38 and 501,720.17

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Solution

The fourth proportional to 909,627.09, 1,255,263.38 and 501,720.17 is: 692,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,627.09 : 1,255,263.38 = 501,720.17 : x
  2. Step 2: Convert to fraction form
    909,627.09/1,255,263.38 = 501,720.17/x
  3. Step 3: Cross multiply
    909,627.09x = 1,255,263.38 × 501,720.17
  4. Step 4: Simplify right side
    909,627.09x = 629,790,956,408.38
  5. Step 5: Solve for x
    x = 629,790,956,408.38/909,627.09
  6. Step 6: Final answer
    x = 692,361.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.