Home / 776,865.01-1,072,127.61-470,954.28

Finding the Fourth Proportional to 776,865.01, 1,072,127.61 and 470,954.28

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Solution

The fourth proportional to 776,865.01, 1,072,127.61 and 470,954.28 is: 649,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,865.01 : 1,072,127.61 = 470,954.28 : x
  2. Step 2: Convert to fraction form
    776,865.01/1,072,127.61 = 470,954.28/x
  3. Step 3: Cross multiply
    776,865.01x = 1,072,127.61 × 470,954.28
  4. Step 4: Simplify right side
    776,865.01x = 504,923,090,656.15
  5. Step 5: Solve for x
    x = 504,923,090,656.15/776,865.01
  6. Step 6: Final answer
    x = 649,949.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.