Home / 889,322.12-1,333,579.53-383,643.98

Finding the Fourth Proportional to 889,322.12, 1,333,579.53 and 383,643.98

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Solution

The fourth proportional to 889,322.12, 1,333,579.53 and 383,643.98 is: 575,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,322.12 : 1,333,579.53 = 383,643.98 : x
  2. Step 2: Convert to fraction form
    889,322.12/1,333,579.53 = 383,643.98/x
  3. Step 3: Cross multiply
    889,322.12x = 1,333,579.53 × 383,643.98
  4. Step 4: Simplify right side
    889,322.12x = 511,619,758,535.73
  5. Step 5: Solve for x
    x = 511,619,758,535.73/889,322.12
  6. Step 6: Final answer
    x = 575,291.84

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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.