Home / 949,417.78-1,424,123.07-388,452.10

Finding the Fourth Proportional to 949,417.78, 1,424,123.07 and 388,452.10

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Solution

The fourth proportional to 949,417.78, 1,424,123.07 and 388,452.10 is: 582,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,417.78 : 1,424,123.07 = 388,452.10 : x
  2. Step 2: Convert to fraction form
    949,417.78/1,424,123.07 = 388,452.10/x
  3. Step 3: Cross multiply
    949,417.78x = 1,424,123.07 × 388,452.10
  4. Step 4: Simplify right side
    949,417.78x = 553,203,597,199.95
  5. Step 5: Solve for x
    x = 553,203,597,199.95/949,417.78
  6. Step 6: Final answer
    x = 582,676.68

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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.