Home / 988,017.60-1,363,464.42-535,308.60

Finding the Fourth Proportional to 988,017.60, 1,363,464.42 and 535,308.60

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Solution

The fourth proportional to 988,017.60, 1,363,464.42 and 535,308.60 is: 738,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,017.60 : 1,363,464.42 = 535,308.60 : x
  2. Step 2: Convert to fraction form
    988,017.60/1,363,464.42 = 535,308.60/x
  3. Step 3: Cross multiply
    988,017.60x = 1,363,464.42 × 535,308.60
  4. Step 4: Simplify right side
    988,017.60x = 729,874,229,820.01
  5. Step 5: Solve for x
    x = 729,874,229,820.01/988,017.60
  6. Step 6: Final answer
    x = 738,725.94

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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.