Home / 988,224.76-1,363,751.94-535,515.76

Finding the Fourth Proportional to 988,224.76, 1,363,751.94 and 535,515.76

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Solution

The fourth proportional to 988,224.76, 1,363,751.94 and 535,515.76 is: 739,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,224.76 : 1,363,751.94 = 535,515.76 : x
  2. Step 2: Convert to fraction form
    988,224.76/1,363,751.94 = 535,515.76/x
  3. Step 3: Cross multiply
    988,224.76x = 1,363,751.94 × 535,515.76
  4. Step 4: Simplify right side
    988,224.76x = 730,310,656,600.57
  5. Step 5: Solve for x
    x = 730,310,656,600.57/988,224.76
  6. Step 6: Final answer
    x = 739,012.71

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1.5x scale

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.