Home / 989,033.25-1,364,865.89-536,324.61

Finding the Fourth Proportional to 989,033.25, 1,364,865.89 and 536,324.61

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Solution

The fourth proportional to 989,033.25, 1,364,865.89 and 536,324.61 is: 740,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,033.25 : 1,364,865.89 = 536,324.61 : x
  2. Step 2: Convert to fraction form
    989,033.25/1,364,865.89 = 536,324.61/x
  3. Step 3: Cross multiply
    989,033.25x = 1,364,865.89 × 536,324.61
  4. Step 4: Simplify right side
    989,033.25x = 732,011,163,474.93
  5. Step 5: Solve for x
    x = 732,011,163,474.93/989,033.25
  6. Step 6: Final answer
    x = 740,127.96

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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.