Home / 398,434.01-597,827.09-208,849.05

Finding the Fourth Proportional to 398,434.01, 597,827.09 and 208,849.05

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Solution

The fourth proportional to 398,434.01, 597,827.09 and 208,849.05 is: 313,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,434.01 : 597,827.09 = 208,849.05 : x
  2. Step 2: Convert to fraction form
    398,434.01/597,827.09 = 208,849.05/x
  3. Step 3: Cross multiply
    398,434.01x = 597,827.09 × 208,849.05
  4. Step 4: Simplify right side
    398,434.01x = 124,855,620,332.89
  5. Step 5: Solve for x
    x = 124,855,620,332.89/398,434.01
  6. Step 6: Final answer
    x = 313,365.87

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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.