Home / 990,780.33-1,483,647.57-652,796.31

Finding the Fourth Proportional to 990,780.33, 1,483,647.57 and 652,796.31

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Solution

The fourth proportional to 990,780.33, 1,483,647.57 and 652,796.31 is: 977,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,780.33 : 1,483,647.57 = 652,796.31 : x
  2. Step 2: Convert to fraction form
    990,780.33/1,483,647.57 = 652,796.31/x
  3. Step 3: Cross multiply
    990,780.33x = 1,483,647.57 × 652,796.31
  4. Step 4: Simplify right side
    990,780.33x = 968,519,659,036.47
  5. Step 5: Solve for x
    x = 968,519,659,036.47/990,780.33
  6. Step 6: Final answer
    x = 977,532.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.