Home / 402,418.08-554,634-294,759.36

Finding the Fourth Proportional to 402,418.08, 554,634 and 294,759.36

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Solution

The fourth proportional to 402,418.08, 554,634 and 294,759.36 is: 406,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,418.08 : 554,634 = 294,759.36 : x
  2. Step 2: Convert to fraction form
    402,418.08/554,634 = 294,759.36/x
  3. Step 3: Cross multiply
    402,418.08x = 554,634 × 294,759.36
  4. Step 4: Simplify right side
    402,418.08x = 163,483,562,874.24
  5. Step 5: Solve for x
    x = 163,483,562,874.24/402,418.08
  6. Step 6: Final answer
    x = 406,253.03

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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.