Home / 771,036-1,156,631.46-265,530.39

Finding the Fourth Proportional to 771,036, 1,156,631.46 and 265,530.39

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Solution

The fourth proportional to 771,036, 1,156,631.46 and 265,530.39 is: 398,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,036 : 1,156,631.46 = 265,530.39 : x
  2. Step 2: Convert to fraction form
    771,036/1,156,631.46 = 265,530.39/x
  3. Step 3: Cross multiply
    771,036x = 1,156,631.46 × 265,530.39
  4. Step 4: Simplify right side
    771,036x = 307,120,802,660.07
  5. Step 5: Solve for x
    x = 307,120,802,660.07/771,036
  6. Step 6: Final answer
    x = 398,322.26

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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.