Home / 776,923.57-1,166,475.71-398,116.50

Finding the Fourth Proportional to 776,923.57, 1,166,475.71 and 398,116.50

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Solution

The fourth proportional to 776,923.57, 1,166,475.71 and 398,116.50 is: 597,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,923.57 : 1,166,475.71 = 398,116.50 : x
  2. Step 2: Convert to fraction form
    776,923.57/1,166,475.71 = 398,116.50/x
  3. Step 3: Cross multiply
    776,923.57x = 1,166,475.71 × 398,116.50
  4. Step 4: Simplify right side
    776,923.57x = 464,393,227,000.22
  5. Step 5: Solve for x
    x = 464,393,227,000.22/776,923.57
  6. Step 6: Final answer
    x = 597,733.48

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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.