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Finding the Fourth Proportional to 548,501.10, 822,751.65 and 459,927.60

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Solution

The fourth proportional to 548,501.10, 822,751.65 and 459,927.60 is: 689,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,501.10 : 822,751.65 = 459,927.60 : x
  2. Step 2: Convert to fraction form
    548,501.10/822,751.65 = 459,927.60/x
  3. Step 3: Cross multiply
    548,501.10x = 822,751.65 × 459,927.60
  4. Step 4: Simplify right side
    548,501.10x = 378,406,191,780.54
  5. Step 5: Solve for x
    x = 378,406,191,780.54/548,501.10
  6. Step 6: Final answer
    x = 689,891.40

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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.