Home / 870,445.67-1,200,907.10-568,814.63

Finding the Fourth Proportional to 870,445.67, 1,200,907.10 and 568,814.63

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Solution

The fourth proportional to 870,445.67, 1,200,907.10 and 568,814.63 is: 784,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,445.67 : 1,200,907.10 = 568,814.63 : x
  2. Step 2: Convert to fraction form
    870,445.67/1,200,907.10 = 568,814.63/x
  3. Step 3: Cross multiply
    870,445.67x = 1,200,907.10 × 568,814.63
  4. Step 4: Simplify right side
    870,445.67x = 683,093,524,906.80
  5. Step 5: Solve for x
    x = 683,093,524,906.80/870,445.67
  6. Step 6: Final answer
    x = 784,762.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.