Home / 771,055.54-1,156,361.37-265,596.10

Finding the Fourth Proportional to 771,055.54, 1,156,361.37 and 265,596.10

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Solution

The fourth proportional to 771,055.54, 1,156,361.37 and 265,596.10 is: 398,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,055.54 : 1,156,361.37 = 265,596.10 : x
  2. Step 2: Convert to fraction form
    771,055.54/1,156,361.37 = 265,596.10/x
  3. Step 3: Cross multiply
    771,055.54x = 1,156,361.37 × 265,596.10
  4. Step 4: Simplify right side
    771,055.54x = 307,125,070,062.66
  5. Step 5: Solve for x
    x = 307,125,070,062.66/771,055.54
  6. Step 6: Final answer
    x = 398,317.70

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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.