Home / 789,955.98-1,185,056.85-257,353.02

Finding the Fourth Proportional to 789,955.98, 1,185,056.85 and 257,353.02

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Solution

The fourth proportional to 789,955.98, 1,185,056.85 and 257,353.02 is: 386,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,955.98 : 1,185,056.85 = 257,353.02 : x
  2. Step 2: Convert to fraction form
    789,955.98/1,185,056.85 = 257,353.02/x
  3. Step 3: Cross multiply
    789,955.98x = 1,185,056.85 × 257,353.02
  4. Step 4: Simplify right side
    789,955.98x = 304,977,959,219.19
  5. Step 5: Solve for x
    x = 304,977,959,219.19/789,955.98
  6. Step 6: Final answer
    x = 386,069.56

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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.