Home / 860,344.29-1,290,688.83-481,803.48

Finding the Fourth Proportional to 860,344.29, 1,290,688.83 and 481,803.48

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Solution

The fourth proportional to 860,344.29, 1,290,688.83 and 481,803.48 is: 722,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,344.29 : 1,290,688.83 = 481,803.48 : x
  2. Step 2: Convert to fraction form
    860,344.29/1,290,688.83 = 481,803.48/x
  3. Step 3: Cross multiply
    860,344.29x = 1,290,688.83 × 481,803.48
  4. Step 4: Simplify right side
    860,344.29x = 621,858,369,891.13
  5. Step 5: Solve for x
    x = 621,858,369,891.13/860,344.29
  6. Step 6: Final answer
    x = 722,801.76

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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.