Home / 870,446.05-1,200,907.61-568,815.01

Finding the Fourth Proportional to 870,446.05, 1,200,907.61 and 568,815.01

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Solution

The fourth proportional to 870,446.05, 1,200,907.61 and 568,815.01 is: 784,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,446.05 : 1,200,907.61 = 568,815.01 : x
  2. Step 2: Convert to fraction form
    870,446.05/1,200,907.61 = 568,815.01/x
  3. Step 3: Cross multiply
    870,446.05x = 1,200,907.61 × 568,815.01
  4. Step 4: Simplify right side
    870,446.05x = 683,094,265,342.61
  5. Step 5: Solve for x
    x = 683,094,265,342.61/870,446.05
  6. Step 6: Final answer
    x = 784,763.48

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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.