Home / 759,218.50-1,047,680.41-419,664.88

Finding the Fourth Proportional to 759,218.50, 1,047,680.41 and 419,664.88

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Solution

The fourth proportional to 759,218.50, 1,047,680.41 and 419,664.88 is: 579,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,218.50 : 1,047,680.41 = 419,664.88 : x
  2. Step 2: Convert to fraction form
    759,218.50/1,047,680.41 = 419,664.88/x
  3. Step 3: Cross multiply
    759,218.50x = 1,047,680.41 × 419,664.88
  4. Step 4: Simplify right side
    759,218.50x = 439,674,666,204.27
  5. Step 5: Solve for x
    x = 439,674,666,204.27/759,218.50
  6. Step 6: Final answer
    x = 579,114.80

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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.