Home / 757,842-1,045,822.05-418,310.34

Finding the Fourth Proportional to 757,842, 1,045,822.05 and 418,310.34

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Solution

The fourth proportional to 757,842, 1,045,822.05 and 418,310.34 is: 577,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,842 : 1,045,822.05 = 418,310.34 : x
  2. Step 2: Convert to fraction form
    757,842/1,045,822.05 = 418,310.34/x
  3. Step 3: Cross multiply
    757,842x = 1,045,822.05 × 418,310.34
  4. Step 4: Simplify right side
    757,842x = 437,478,177,315.00
  5. Step 5: Solve for x
    x = 437,478,177,315.00/757,842
  6. Step 6: Final answer
    x = 577,268.32

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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.