Home / 727,108.50-1,090,156.86-322,080.81

Finding the Fourth Proportional to 727,108.50, 1,090,156.86 and 322,080.81

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Solution

The fourth proportional to 727,108.50, 1,090,156.86 and 322,080.81 is: 482,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,108.50 : 1,090,156.86 = 322,080.81 : x
  2. Step 2: Convert to fraction form
    727,108.50/1,090,156.86 = 322,080.81/x
  3. Step 3: Cross multiply
    727,108.50x = 1,090,156.86 × 322,080.81
  4. Step 4: Simplify right side
    727,108.50x = 351,118,604,495.86
  5. Step 5: Solve for x
    x = 351,118,604,495.86/727,108.50
  6. Step 6: Final answer
    x = 482,897.13

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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.