Home / 855,629.37-1,180,782.47-468,438.30

Finding the Fourth Proportional to 855,629.37, 1,180,782.47 and 468,438.30

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Solution

The fourth proportional to 855,629.37, 1,180,782.47 and 468,438.30 is: 646,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,629.37 : 1,180,782.47 = 468,438.30 : x
  2. Step 2: Convert to fraction form
    855,629.37/1,180,782.47 = 468,438.30/x
  3. Step 3: Cross multiply
    855,629.37x = 1,180,782.47 × 468,438.30
  4. Step 4: Simplify right side
    855,629.37x = 553,123,732,916.60
  5. Step 5: Solve for x
    x = 553,123,732,916.60/855,629.37
  6. Step 6: Final answer
    x = 646,452.49

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1.5x scale

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.