Home / 757,927.52-1,045,940.16-418,396

Finding the Fourth Proportional to 757,927.52, 1,045,940.16 and 418,396

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Solution

The fourth proportional to 757,927.52, 1,045,940.16 and 418,396 is: 577,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,927.52 : 1,045,940.16 = 418,396 : x
  2. Step 2: Convert to fraction form
    757,927.52/1,045,940.16 = 418,396/x
  3. Step 3: Cross multiply
    757,927.52x = 1,045,940.16 × 418,396
  4. Step 4: Simplify right side
    757,927.52x = 437,617,179,183.36
  5. Step 5: Solve for x
    x = 437,617,179,183.36/757,927.52
  6. Step 6: Final answer
    x = 577,386.58

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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.