Home / 860,325.30-1,290,660.21-481,784.36

Finding the Fourth Proportional to 860,325.30, 1,290,660.21 and 481,784.36

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Solution

The fourth proportional to 860,325.30, 1,290,660.21 and 481,784.36 is: 722,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,325.30 : 1,290,660.21 = 481,784.36 : x
  2. Step 2: Convert to fraction form
    860,325.30/1,290,660.21 = 481,784.36/x
  3. Step 3: Cross multiply
    860,325.30x = 1,290,660.21 × 481,784.36
  4. Step 4: Simplify right side
    860,325.30x = 621,819,896,799.02
  5. Step 5: Solve for x
    x = 621,819,896,799.02/860,325.30
  6. Step 6: Final answer
    x = 722,773.00

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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.