Home / 739,807.06-1,020,824.24-449,267.52

Finding the Fourth Proportional to 739,807.06, 1,020,824.24 and 449,267.52

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Solution

The fourth proportional to 739,807.06, 1,020,824.24 and 449,267.52 is: 619,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,807.06 : 1,020,824.24 = 449,267.52 : x
  2. Step 2: Convert to fraction form
    739,807.06/1,020,824.24 = 449,267.52/x
  3. Step 3: Cross multiply
    739,807.06x = 1,020,824.24 × 449,267.52
  4. Step 4: Simplify right side
    739,807.06x = 458,623,174,660.69
  5. Step 5: Solve for x
    x = 458,623,174,660.69/739,807.06
  6. Step 6: Final answer
    x = 619,922.68

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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.