Home / 889,168.80-1,333,884.40-258,000.56

Finding the Fourth Proportional to 889,168.80, 1,333,884.40 and 258,000.56

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Solution

The fourth proportional to 889,168.80, 1,333,884.40 and 258,000.56 is: 387,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,168.80 : 1,333,884.40 = 258,000.56 : x
  2. Step 2: Convert to fraction form
    889,168.80/1,333,884.40 = 258,000.56/x
  3. Step 3: Cross multiply
    889,168.80x = 1,333,884.40 × 258,000.56
  4. Step 4: Simplify right side
    889,168.80x = 344,142,922,175.26
  5. Step 5: Solve for x
    x = 344,142,922,175.26/889,168.80
  6. Step 6: Final answer
    x = 387,038.91

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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.