Home / 727,487.20-1,090,219.32-632,522.80

Finding the Fourth Proportional to 727,487.20, 1,090,219.32 and 632,522.80

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Solution

The fourth proportional to 727,487.20, 1,090,219.32 and 632,522.80 is: 947,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,487.20 : 1,090,219.32 = 632,522.80 : x
  2. Step 2: Convert to fraction form
    727,487.20/1,090,219.32 = 632,522.80/x
  3. Step 3: Cross multiply
    727,487.20x = 1,090,219.32 × 632,522.80
  4. Step 4: Simplify right side
    727,487.20x = 689,588,576,900.50
  5. Step 5: Solve for x
    x = 689,588,576,900.50/727,487.20
  6. Step 6: Final answer
    x = 947,904.76

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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.