Home / 670,434.90-925,067.78-376,094.40

Finding the Fourth Proportional to 670,434.90, 925,067.78 and 376,094.40

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Solution

The fourth proportional to 670,434.90, 925,067.78 and 376,094.40 is: 518,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,434.90 : 925,067.78 = 376,094.40 : x
  2. Step 2: Convert to fraction form
    670,434.90/925,067.78 = 376,094.40/x
  3. Step 3: Cross multiply
    670,434.90x = 925,067.78 × 376,094.40
  4. Step 4: Simplify right side
    670,434.90x = 347,912,811,678.43
  5. Step 5: Solve for x
    x = 347,912,811,678.43/670,434.90
  6. Step 6: Final answer
    x = 518,936.01

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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.