Home / 478,669.14-660,578.70-263,817.06

Finding the Fourth Proportional to 478,669.14, 660,578.70 and 263,817.06

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Solution

The fourth proportional to 478,669.14, 660,578.70 and 263,817.06 is: 364,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,669.14 : 660,578.70 = 263,817.06 : x
  2. Step 2: Convert to fraction form
    478,669.14/660,578.70 = 263,817.06/x
  3. Step 3: Cross multiply
    478,669.14x = 660,578.70 × 263,817.06
  4. Step 4: Simplify right side
    478,669.14x = 174,271,930,532.62
  5. Step 5: Solve for x
    x = 174,271,930,532.62/478,669.14
  6. Step 6: Final answer
    x = 364,075.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.