Home / 989,268.50-1,365,190.62-559,539.38

Finding the Fourth Proportional to 989,268.50, 1,365,190.62 and 559,539.38

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Solution

The fourth proportional to 989,268.50, 1,365,190.62 and 559,539.38 is: 772,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,268.50 : 1,365,190.62 = 559,539.38 : x
  2. Step 2: Convert to fraction form
    989,268.50/1,365,190.62 = 559,539.38/x
  3. Step 3: Cross multiply
    989,268.50x = 1,365,190.62 × 559,539.38
  4. Step 4: Simplify right side
    989,268.50x = 763,877,913,096.62
  5. Step 5: Solve for x
    x = 763,877,913,096.62/989,268.50
  6. Step 6: Final answer
    x = 772,164.40

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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.