Home / 644,222.88-966,354.48-307,300.08

Finding the Fourth Proportional to 644,222.88, 966,354.48 and 307,300.08

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Solution

The fourth proportional to 644,222.88, 966,354.48 and 307,300.08 is: 460,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,222.88 : 966,354.48 = 307,300.08 : x
  2. Step 2: Convert to fraction form
    644,222.88/966,354.48 = 307,300.08/x
  3. Step 3: Cross multiply
    644,222.88x = 966,354.48 × 307,300.08
  4. Step 4: Simplify right side
    644,222.88x = 296,960,809,012.36
  5. Step 5: Solve for x
    x = 296,960,809,012.36/644,222.88
  6. Step 6: Final answer
    x = 460,959.74

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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.