Home / 989,918.35-1,484,828.28-541,515.04

Finding the Fourth Proportional to 989,918.35, 1,484,828.28 and 541,515.04

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Solution

The fourth proportional to 989,918.35, 1,484,828.28 and 541,515.04 is: 812,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,918.35 : 1,484,828.28 = 541,515.04 : x
  2. Step 2: Convert to fraction form
    989,918.35/1,484,828.28 = 541,515.04/x
  3. Step 3: Cross multiply
    989,918.35x = 1,484,828.28 × 541,515.04
  4. Step 4: Simplify right side
    989,918.35x = 804,056,841,725.26
  5. Step 5: Solve for x
    x = 804,056,841,725.26/989,918.35
  6. Step 6: Final answer
    x = 812,245.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.