Home / 870,554.69-1,201,367.81-483,370.86

Finding the Fourth Proportional to 870,554.69, 1,201,367.81 and 483,370.86

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Solution

The fourth proportional to 870,554.69, 1,201,367.81 and 483,370.86 is: 667,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,554.69 : 1,201,367.81 = 483,370.86 : x
  2. Step 2: Convert to fraction form
    870,554.69/1,201,367.81 = 483,370.86/x
  3. Step 3: Cross multiply
    870,554.69x = 1,201,367.81 × 483,370.86
  4. Step 4: Simplify right side
    870,554.69x = 580,706,197,209.57
  5. Step 5: Solve for x
    x = 580,706,197,209.57/870,554.69
  6. Step 6: Final answer
    x = 667,053.09

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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.