Home / 776,140.50-1,164,404.51-270,708.74

Finding the Fourth Proportional to 776,140.50, 1,164,404.51 and 270,708.74

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Solution

The fourth proportional to 776,140.50, 1,164,404.51 and 270,708.74 is: 406,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,140.50 : 1,164,404.51 = 270,708.74 : x
  2. Step 2: Convert to fraction form
    776,140.50/1,164,404.51 = 270,708.74/x
  3. Step 3: Cross multiply
    776,140.50x = 1,164,404.51 × 270,708.74
  4. Step 4: Simplify right side
    776,140.50x = 315,214,470,576.85
  5. Step 5: Solve for x
    x = 315,214,470,576.85/776,140.50
  6. Step 6: Final answer
    x = 406,130.68

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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.