Home / 870,082.33-1,200,721.81-488,117.31

Finding the Fourth Proportional to 870,082.33, 1,200,721.81 and 488,117.31

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Solution

The fourth proportional to 870,082.33, 1,200,721.81 and 488,117.31 is: 673,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,082.33 : 1,200,721.81 = 488,117.31 : x
  2. Step 2: Convert to fraction form
    870,082.33/1,200,721.81 = 488,117.31/x
  3. Step 3: Cross multiply
    870,082.33x = 1,200,721.81 × 488,117.31
  4. Step 4: Simplify right side
    870,082.33x = 586,093,099,955.53
  5. Step 5: Solve for x
    x = 586,093,099,955.53/870,082.33
  6. Step 6: Final answer
    x = 673,606.48

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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.