Home / 1,009,399.08-1,513,864.98-299,255.88

Finding the Fourth Proportional to 1,009,399.08, 1,513,864.98 and 299,255.88

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Solution

The fourth proportional to 1,009,399.08, 1,513,864.98 and 299,255.88 is: 448,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,399.08 : 1,513,864.98 = 299,255.88 : x
  2. Step 2: Convert to fraction form
    1,009,399.08/1,513,864.98 = 299,255.88/x
  3. Step 3: Cross multiply
    1,009,399.08x = 1,513,864.98 × 299,255.88
  4. Step 4: Simplify right side
    1,009,399.08x = 453,032,996,791.08
  5. Step 5: Solve for x
    x = 453,032,996,791.08/1,009,399.08
  6. Step 6: Final answer
    x = 448,814.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.