Home / 874,358.03-1,311,569.45-305,627.87

Finding the Fourth Proportional to 874,358.03, 1,311,569.45 and 305,627.87

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Solution

The fourth proportional to 874,358.03, 1,311,569.45 and 305,627.87 is: 458,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,358.03 : 1,311,569.45 = 305,627.87 : x
  2. Step 2: Convert to fraction form
    874,358.03/1,311,569.45 = 305,627.87/x
  3. Step 3: Cross multiply
    874,358.03x = 1,311,569.45 × 305,627.87
  4. Step 4: Simplify right side
    874,358.03x = 400,852,169,274.59
  5. Step 5: Solve for x
    x = 400,852,169,274.59/874,358.03
  6. Step 6: Final answer
    x = 458,453.13

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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.