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Finding the Fourth Proportional to 548,564.74, 822,222.51 and 343,495.24

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Solution

The fourth proportional to 548,564.74, 822,222.51 and 343,495.24 is: 514,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,564.74 : 822,222.51 = 343,495.24 : x
  2. Step 2: Convert to fraction form
    548,564.74/822,222.51 = 343,495.24/x
  3. Step 3: Cross multiply
    548,564.74x = 822,222.51 × 343,495.24
  4. Step 4: Simplify right side
    548,564.74x = 282,429,518,405.85
  5. Step 5: Solve for x
    x = 282,429,518,405.85/548,564.74
  6. Step 6: Final answer
    x = 514,851.75

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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.