Home / 749,235.78-1,124,136.81-449,925.03

Finding the Fourth Proportional to 749,235.78, 1,124,136.81 and 449,925.03

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Solution

The fourth proportional to 749,235.78, 1,124,136.81 and 449,925.03 is: 675,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,235.78 : 1,124,136.81 = 449,925.03 : x
  2. Step 2: Convert to fraction form
    749,235.78/1,124,136.81 = 449,925.03/x
  3. Step 3: Cross multiply
    749,235.78x = 1,124,136.81 × 449,925.03
  4. Step 4: Simplify right side
    749,235.78x = 505,777,287,963.35
  5. Step 5: Solve for x
    x = 505,777,287,963.35/749,235.78
  6. Step 6: Final answer
    x = 675,057.57

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1.5x scale

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.