Home / 456,582.34-629,940.81-275,349.70

Finding the Fourth Proportional to 456,582.34, 629,940.81 and 275,349.70

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Solution

The fourth proportional to 456,582.34, 629,940.81 and 275,349.70 is: 379,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,582.34 : 629,940.81 = 275,349.70 : x
  2. Step 2: Convert to fraction form
    456,582.34/629,940.81 = 275,349.70/x
  3. Step 3: Cross multiply
    456,582.34x = 629,940.81 × 275,349.70
  4. Step 4: Simplify right side
    456,582.34x = 173,454,013,051.26
  5. Step 5: Solve for x
    x = 173,454,013,051.26/456,582.34
  6. Step 6: Final answer
    x = 379,896.46

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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.