Home / 989,472.24-1,365,474.31-536,763.24

Finding the Fourth Proportional to 989,472.24, 1,365,474.31 and 536,763.24

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Solution

The fourth proportional to 989,472.24, 1,365,474.31 and 536,763.24 is: 740,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,472.24 : 1,365,474.31 = 536,763.24 : x
  2. Step 2: Convert to fraction form
    989,472.24/1,365,474.31 = 536,763.24/x
  3. Step 3: Cross multiply
    989,472.24x = 1,365,474.31 × 536,763.24
  4. Step 4: Simplify right side
    989,472.24x = 732,936,416,449.75
  5. Step 5: Solve for x
    x = 732,936,416,449.75/989,472.24
  6. Step 6: Final answer
    x = 740,734.69

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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.