Home / 922,418.57-1,272,969.28-535,204.75

Finding the Fourth Proportional to 922,418.57, 1,272,969.28 and 535,204.75

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Solution

The fourth proportional to 922,418.57, 1,272,969.28 and 535,204.75 is: 738,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,418.57 : 1,272,969.28 = 535,204.75 : x
  2. Step 2: Convert to fraction form
    922,418.57/1,272,969.28 = 535,204.75/x
  3. Step 3: Cross multiply
    922,418.57x = 1,272,969.28 × 535,204.75
  4. Step 4: Simplify right side
    922,418.57x = 681,299,206,516.79
  5. Step 5: Solve for x
    x = 681,299,206,516.79/922,418.57
  6. Step 6: Final answer
    x = 738,600.92

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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.