Home / 988,308.96-1,363,867.56-535,599.96

Finding the Fourth Proportional to 988,308.96, 1,363,867.56 and 535,599.96

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Solution

The fourth proportional to 988,308.96, 1,363,867.56 and 535,599.96 is: 739,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,308.96 : 1,363,867.56 = 535,599.96 : x
  2. Step 2: Convert to fraction form
    988,308.96/1,363,867.56 = 535,599.96/x
  3. Step 3: Cross multiply
    988,308.96x = 1,363,867.56 × 535,599.96
  4. Step 4: Simplify right side
    988,308.96x = 730,487,410,581.30
  5. Step 5: Solve for x
    x = 730,487,410,581.30/988,308.96
  6. Step 6: Final answer
    x = 739,128.59

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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.