Home / 889,765.61-1,334,875.91-258,679.41

Finding the Fourth Proportional to 889,765.61, 1,334,875.91 and 258,679.41

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Solution

The fourth proportional to 889,765.61, 1,334,875.91 and 258,679.41 is: 388,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,765.61 : 1,334,875.91 = 258,679.41 : x
  2. Step 2: Convert to fraction form
    889,765.61/1,334,875.91 = 258,679.41/x
  3. Step 3: Cross multiply
    889,765.61x = 1,334,875.91 × 258,679.41
  4. Step 4: Simplify right side
    889,765.61x = 345,304,911,528.62
  5. Step 5: Solve for x
    x = 345,304,911,528.62/889,765.61
  6. Step 6: Final answer
    x = 388,085.25

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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.