Home / 889,758.40-1,227,851.42-481,856.93

Finding the Fourth Proportional to 889,758.40, 1,227,851.42 and 481,856.93

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Solution

The fourth proportional to 889,758.40, 1,227,851.42 and 481,856.93 is: 664,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,758.40 : 1,227,851.42 = 481,856.93 : x
  2. Step 2: Convert to fraction form
    889,758.40/1,227,851.42 = 481,856.93/x
  3. Step 3: Cross multiply
    889,758.40x = 1,227,851.42 × 481,856.93
  4. Step 4: Simplify right side
    889,758.40x = 591,648,715,737.34
  5. Step 5: Solve for x
    x = 591,648,715,737.34/889,758.40
  6. Step 6: Final answer
    x = 664,954.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.