Home / 740,118.56-1,021,382.20-453,796.48

Finding the Fourth Proportional to 740,118.56, 1,021,382.20 and 453,796.48

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Solution

The fourth proportional to 740,118.56, 1,021,382.20 and 453,796.48 is: 626,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,118.56 : 1,021,382.20 = 453,796.48 : x
  2. Step 2: Convert to fraction form
    740,118.56/1,021,382.20 = 453,796.48/x
  3. Step 3: Cross multiply
    740,118.56x = 1,021,382.20 × 453,796.48
  4. Step 4: Simplify right side
    740,118.56x = 463,499,647,094.66
  5. Step 5: Solve for x
    x = 463,499,647,094.66/740,118.56
  6. Step 6: Final answer
    x = 626,250.54

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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.