Home / 729,112.72-1,006,184.48-423,260

Finding the Fourth Proportional to 729,112.72, 1,006,184.48 and 423,260

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Solution

The fourth proportional to 729,112.72, 1,006,184.48 and 423,260 is: 584,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,112.72 : 1,006,184.48 = 423,260 : x
  2. Step 2: Convert to fraction form
    729,112.72/1,006,184.48 = 423,260/x
  3. Step 3: Cross multiply
    729,112.72x = 1,006,184.48 × 423,260
  4. Step 4: Simplify right side
    729,112.72x = 425,877,643,004.80
  5. Step 5: Solve for x
    x = 425,877,643,004.80/729,112.72
  6. Step 6: Final answer
    x = 584,103.98

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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.