Home / 889,734.63-1,334,829.54-258,648.45

Finding the Fourth Proportional to 889,734.63, 1,334,829.54 and 258,648.45

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Solution

The fourth proportional to 889,734.63, 1,334,829.54 and 258,648.45 is: 388,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,734.63 : 1,334,829.54 = 258,648.45 : x
  2. Step 2: Convert to fraction form
    889,734.63/1,334,829.54 = 258,648.45/x
  3. Step 3: Cross multiply
    889,734.63x = 1,334,829.54 × 258,648.45
  4. Step 4: Simplify right side
    889,734.63x = 345,251,583,567.82
  5. Step 5: Solve for x
    x = 345,251,583,567.82/889,734.63
  6. Step 6: Final answer
    x = 388,038.83

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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.