Home / 988,017.09-1,363,463.73-535,308.09

Finding the Fourth Proportional to 988,017.09, 1,363,463.73 and 535,308.09

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Solution

The fourth proportional to 988,017.09, 1,363,463.73 and 535,308.09 is: 738,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,017.09 : 1,363,463.73 = 535,308.09 : x
  2. Step 2: Convert to fraction form
    988,017.09/1,363,463.73 = 535,308.09/x
  3. Step 3: Cross multiply
    988,017.09x = 1,363,463.73 × 535,308.09
  4. Step 4: Simplify right side
    988,017.09x = 729,873,165,090.58
  5. Step 5: Solve for x
    x = 729,873,165,090.58/988,017.09
  6. Step 6: Final answer
    x = 738,725.24

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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.