Home / 704,178.90-1,056,579.39-284,274.90

Finding the Fourth Proportional to 704,178.90, 1,056,579.39 and 284,274.90

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Solution

The fourth proportional to 704,178.90, 1,056,579.39 and 284,274.90 is: 426,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,178.90 : 1,056,579.39 = 284,274.90 : x
  2. Step 2: Convert to fraction form
    704,178.90/1,056,579.39 = 284,274.90/x
  3. Step 3: Cross multiply
    704,178.90x = 1,056,579.39 × 284,274.90
  4. Step 4: Simplify right side
    704,178.90x = 300,359,000,434.31
  5. Step 5: Solve for x
    x = 300,359,000,434.31/704,178.90
  6. Step 6: Final answer
    x = 426,537.92

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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.