Home / 644,543.28-966,482.82-289,252.71

Finding the Fourth Proportional to 644,543.28, 966,482.82 and 289,252.71

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Solution

The fourth proportional to 644,543.28, 966,482.82 and 289,252.71 is: 433,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,543.28 : 966,482.82 = 289,252.71 : x
  2. Step 2: Convert to fraction form
    644,543.28/966,482.82 = 289,252.71/x
  3. Step 3: Cross multiply
    644,543.28x = 966,482.82 × 289,252.71
  4. Step 4: Simplify right side
    644,543.28x = 279,557,774,853.44
  5. Step 5: Solve for x
    x = 279,557,774,853.44/644,543.28
  6. Step 6: Final answer
    x = 433,730.03

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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.