Home / 989,076.30-1,483,614.45-652,278.30

Finding the Fourth Proportional to 989,076.30, 1,483,614.45 and 652,278.30

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Solution

The fourth proportional to 989,076.30, 1,483,614.45 and 652,278.30 is: 978,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,076.30 : 1,483,614.45 = 652,278.30 : x
  2. Step 2: Convert to fraction form
    989,076.30/1,483,614.45 = 652,278.30/x
  3. Step 3: Cross multiply
    989,076.30x = 1,483,614.45 × 652,278.30
  4. Step 4: Simplify right side
    989,076.30x = 967,729,511,301.44
  5. Step 5: Solve for x
    x = 967,729,511,301.44/989,076.30
  6. Step 6: Final answer
    x = 978,417.45

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Double scale
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Similar ratio
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1.5x scale

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.