Home / 758,256.84-1,136,576.01-378,429.60

Finding the Fourth Proportional to 758,256.84, 1,136,576.01 and 378,429.60

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Solution

The fourth proportional to 758,256.84, 1,136,576.01 and 378,429.60 is: 567,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,256.84 : 1,136,576.01 = 378,429.60 : x
  2. Step 2: Convert to fraction form
    758,256.84/1,136,576.01 = 378,429.60/x
  3. Step 3: Cross multiply
    758,256.84x = 1,136,576.01 × 378,429.60
  4. Step 4: Simplify right side
    758,256.84x = 430,114,004,833.90
  5. Step 5: Solve for x
    x = 430,114,004,833.90/758,256.84
  6. Step 6: Final answer
    x = 567,240.52

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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.