Home / 789,955.48-1,185,056.10-257,352.52

Finding the Fourth Proportional to 789,955.48, 1,185,056.10 and 257,352.52

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Solution

The fourth proportional to 789,955.48, 1,185,056.10 and 257,352.52 is: 386,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,955.48 : 1,185,056.10 = 257,352.52 : x
  2. Step 2: Convert to fraction form
    789,955.48/1,185,056.10 = 257,352.52/x
  3. Step 3: Cross multiply
    789,955.48x = 1,185,056.10 × 257,352.52
  4. Step 4: Simplify right side
    789,955.48x = 304,977,173,676.37
  5. Step 5: Solve for x
    x = 304,977,173,676.37/789,955.48
  6. Step 6: Final answer
    x = 386,068.81

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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.