Home / 988,200.18-1,363,716.95-535,491.18

Finding the Fourth Proportional to 988,200.18, 1,363,716.95 and 535,491.18

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Solution

The fourth proportional to 988,200.18, 1,363,716.95 and 535,491.18 is: 738,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,200.18 : 1,363,716.95 = 535,491.18 : x
  2. Step 2: Convert to fraction form
    988,200.18/1,363,716.95 = 535,491.18/x
  3. Step 3: Cross multiply
    988,200.18x = 1,363,716.95 × 535,491.18
  4. Step 4: Simplify right side
    988,200.18x = 730,258,396,064.05
  5. Step 5: Solve for x
    x = 730,258,396,064.05/988,200.18
  6. Step 6: Final answer
    x = 738,978.21

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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.