Home / 988,537.75-1,363,920.45-580,509.16

Finding the Fourth Proportional to 988,537.75, 1,363,920.45 and 580,509.16

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Solution

The fourth proportional to 988,537.75, 1,363,920.45 and 580,509.16 is: 800,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,537.75 : 1,363,920.45 = 580,509.16 : x
  2. Step 2: Convert to fraction form
    988,537.75/1,363,920.45 = 580,509.16/x
  3. Step 3: Cross multiply
    988,537.75x = 1,363,920.45 × 580,509.16
  4. Step 4: Simplify right side
    988,537.75x = 791,768,314,736.32
  5. Step 5: Solve for x
    x = 791,768,314,736.32/988,537.75
  6. Step 6: Final answer
    x = 800,948.99

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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.