Home / 644,427.63-966,914.82-344,830.50

Finding the Fourth Proportional to 644,427.63, 966,914.82 and 344,830.50

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Solution

The fourth proportional to 644,427.63, 966,914.82 and 344,830.50 is: 517,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,427.63 : 966,914.82 = 344,830.50 : x
  2. Step 2: Convert to fraction form
    644,427.63/966,914.82 = 344,830.50/x
  3. Step 3: Cross multiply
    644,427.63x = 966,914.82 × 344,830.50
  4. Step 4: Simplify right side
    644,427.63x = 333,421,720,838.01
  5. Step 5: Solve for x
    x = 333,421,720,838.01/644,427.63
  6. Step 6: Final answer
    x = 517,392.03

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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.