Home / 808,406.48-1,211,532.09-382,055.38

Finding the Fourth Proportional to 808,406.48, 1,211,532.09 and 382,055.38

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Solution

The fourth proportional to 808,406.48, 1,211,532.09 and 382,055.38 is: 572,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,406.48 : 1,211,532.09 = 382,055.38 : x
  2. Step 2: Convert to fraction form
    808,406.48/1,211,532.09 = 382,055.38/x
  3. Step 3: Cross multiply
    808,406.48x = 1,211,532.09 × 382,055.38
  4. Step 4: Simplify right side
    808,406.48x = 462,872,355,380.47
  5. Step 5: Solve for x
    x = 462,872,355,380.47/808,406.48
  6. Step 6: Final answer
    x = 572,573.78

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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.