Home / 554,578.64-765,319.03-299,929.83

Finding the Fourth Proportional to 554,578.64, 765,319.03 and 299,929.83

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Solution

The fourth proportional to 554,578.64, 765,319.03 and 299,929.83 is: 413,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578.64 : 765,319.03 = 299,929.83 : x
  2. Step 2: Convert to fraction form
    554,578.64/765,319.03 = 299,929.83/x
  3. Step 3: Cross multiply
    554,578.64x = 765,319.03 × 299,929.83
  4. Step 4: Simplify right side
    554,578.64x = 229,542,005,813.84
  5. Step 5: Solve for x
    x = 229,542,005,813.84/554,578.64
  6. Step 6: Final answer
    x = 413,903.44

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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.