Home / 829,590.69-1,244,389.98-289,844.70

Finding the Fourth Proportional to 829,590.69, 1,244,389.98 and 289,844.70

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Solution

The fourth proportional to 829,590.69, 1,244,389.98 and 289,844.70 is: 434,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,590.69 : 1,244,389.98 = 289,844.70 : x
  2. Step 2: Convert to fraction form
    829,590.69/1,244,389.98 = 289,844.70/x
  3. Step 3: Cross multiply
    829,590.69x = 1,244,389.98 × 289,844.70
  4. Step 4: Simplify right side
    829,590.69x = 360,679,840,436.11
  5. Step 5: Solve for x
    x = 360,679,840,436.11/829,590.69
  6. Step 6: Final answer
    x = 434,768.43

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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.