Home / 989,474.02-1,365,476.78-536,765.02

Finding the Fourth Proportional to 989,474.02, 1,365,476.78 and 536,765.02

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Solution

The fourth proportional to 989,474.02, 1,365,476.78 and 536,765.02 is: 740,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,474.02 : 1,365,476.78 = 536,765.02 : x
  2. Step 2: Convert to fraction form
    989,474.02/1,365,476.78 = 536,765.02/x
  3. Step 3: Cross multiply
    989,474.02x = 1,365,476.78 × 536,765.02
  4. Step 4: Simplify right side
    989,474.02x = 732,940,165,028.72
  5. Step 5: Solve for x
    x = 732,940,165,028.72/989,474.02
  6. Step 6: Final answer
    x = 740,737.15

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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.