Home / 644,674.08-966,677.40-289,382.16

Finding the Fourth Proportional to 644,674.08, 966,677.40 and 289,382.16

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Solution

The fourth proportional to 644,674.08, 966,677.40 and 289,382.16 is: 433,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,674.08 : 966,677.40 = 289,382.16 : x
  2. Step 2: Convert to fraction form
    644,674.08/966,677.40 = 289,382.16/x
  3. Step 3: Cross multiply
    644,674.08x = 966,677.40 × 289,382.16
  4. Step 4: Simplify right side
    644,674.08x = 279,739,194,035.18
  5. Step 5: Solve for x
    x = 279,739,194,035.18/644,674.08
  6. Step 6: Final answer
    x = 433,923.44

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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.