Home / 988,291.47-1,363,843.40-535,582.47

Finding the Fourth Proportional to 988,291.47, 1,363,843.40 and 535,582.47

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Solution

The fourth proportional to 988,291.47, 1,363,843.40 and 535,582.47 is: 739,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,291.47 : 1,363,843.40 = 535,582.47 : x
  2. Step 2: Convert to fraction form
    988,291.47/1,363,843.40 = 535,582.47/x
  3. Step 3: Cross multiply
    988,291.47x = 1,363,843.40 × 535,582.47
  4. Step 4: Simplify right side
    988,291.47x = 730,450,614,187.29
  5. Step 5: Solve for x
    x = 730,450,614,187.29/988,291.47
  6. Step 6: Final answer
    x = 739,104.44

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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.