Home / 689,973.94-952,164.08-384,043.77

Finding the Fourth Proportional to 689,973.94, 952,164.08 and 384,043.77

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Solution

The fourth proportional to 689,973.94, 952,164.08 and 384,043.77 is: 529,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,973.94 : 952,164.08 = 384,043.77 : x
  2. Step 2: Convert to fraction form
    689,973.94/952,164.08 = 384,043.77/x
  3. Step 3: Cross multiply
    689,973.94x = 952,164.08 × 384,043.77
  4. Step 4: Simplify right side
    689,973.94x = 365,672,676,260.74
  5. Step 5: Solve for x
    x = 365,672,676,260.74/689,973.94
  6. Step 6: Final answer
    x = 529,980.42

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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.