Home / 989,598.65-1,365,652.04-559,968.57

Finding the Fourth Proportional to 989,598.65, 1,365,652.04 and 559,968.57

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Solution

The fourth proportional to 989,598.65, 1,365,652.04 and 559,968.57 is: 772,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,598.65 : 1,365,652.04 = 559,968.57 : x
  2. Step 2: Convert to fraction form
    989,598.65/1,365,652.04 = 559,968.57/x
  3. Step 3: Cross multiply
    989,598.65x = 1,365,652.04 × 559,968.57
  4. Step 4: Simplify right side
    989,598.65x = 764,722,217,156.54
  5. Step 5: Solve for x
    x = 764,722,217,156.54/989,598.65
  6. Step 6: Final answer
    x = 772,759.97

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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.