Home / 889,795.80-1,334,564.10-258,643.80

Finding the Fourth Proportional to 889,795.80, 1,334,564.10 and 258,643.80

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Solution

The fourth proportional to 889,795.80, 1,334,564.10 and 258,643.80 is: 387,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,795.80 : 1,334,564.10 = 258,643.80 : x
  2. Step 2: Convert to fraction form
    889,795.80/1,334,564.10 = 258,643.80/x
  3. Step 3: Cross multiply
    889,795.80x = 1,334,564.10 × 258,643.80
  4. Step 4: Simplify right side
    889,795.80x = 345,176,730,167.58
  5. Step 5: Solve for x
    x = 345,176,730,167.58/889,795.80
  6. Step 6: Final answer
    x = 387,928.03

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1.5x scale

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.