Home / 771,494.93-1,157,318.58-265,989.45

Finding the Fourth Proportional to 771,494.93, 1,157,318.58 and 265,989.45

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Solution

The fourth proportional to 771,494.93, 1,157,318.58 and 265,989.45 is: 399,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,494.93 : 1,157,318.58 = 265,989.45 : x
  2. Step 2: Convert to fraction form
    771,494.93/1,157,318.58 = 265,989.45/x
  3. Step 3: Cross multiply
    771,494.93x = 1,157,318.58 × 265,989.45
  4. Step 4: Simplify right side
    771,494.93x = 307,834,537,906.39
  5. Step 5: Solve for x
    x = 307,834,537,906.39/771,494.93
  6. Step 6: Final answer
    x = 399,010.45

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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.