Home / 644,595.49-966,561.24-289,304.93

Finding the Fourth Proportional to 644,595.49, 966,561.24 and 289,304.93

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Solution

The fourth proportional to 644,595.49, 966,561.24 and 289,304.93 is: 433,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,595.49 : 966,561.24 = 289,304.93 : x
  2. Step 2: Convert to fraction form
    644,595.49/966,561.24 = 289,304.93/x
  3. Step 3: Cross multiply
    644,595.49x = 966,561.24 × 289,304.93
  4. Step 4: Simplify right side
    644,595.49x = 279,630,930,432.39
  5. Step 5: Solve for x
    x = 279,630,930,432.39/644,595.49
  6. Step 6: Final answer
    x = 433,808.39

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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.