Home / 989,181.72-1,365,327.36-559,710.95

Finding the Fourth Proportional to 989,181.72, 1,365,327.36 and 559,710.95

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Solution

The fourth proportional to 989,181.72, 1,365,327.36 and 559,710.95 is: 772,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,181.72 : 1,365,327.36 = 559,710.95 : x
  2. Step 2: Convert to fraction form
    989,181.72/1,365,327.36 = 559,710.95/x
  3. Step 3: Cross multiply
    989,181.72x = 1,365,327.36 × 559,710.95
  4. Step 4: Simplify right side
    989,181.72x = 764,188,666,899.96
  5. Step 5: Solve for x
    x = 764,188,666,899.96/989,181.72
  6. Step 6: Final answer
    x = 772,546.29

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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.