Home / 688,556.80-1,032,829.80-407,872

Finding the Fourth Proportional to 688,556.80, 1,032,829.80 and 407,872

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Solution

The fourth proportional to 688,556.80, 1,032,829.80 and 407,872 is: 611,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,556.80 : 1,032,829.80 = 407,872 : x
  2. Step 2: Convert to fraction form
    688,556.80/1,032,829.80 = 407,872/x
  3. Step 3: Cross multiply
    688,556.80x = 1,032,829.80 × 407,872
  4. Step 4: Simplify right side
    688,556.80x = 421,262,356,185.60
  5. Step 5: Solve for x
    x = 421,262,356,185.60/688,556.80
  6. Step 6: Final answer
    x = 611,804.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.