Home / 850,812.36-1,174,128.93-468,852.81

Finding the Fourth Proportional to 850,812.36, 1,174,128.93 and 468,852.81

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Solution

The fourth proportional to 850,812.36, 1,174,128.93 and 468,852.81 is: 647,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,812.36 : 1,174,128.93 = 468,852.81 : x
  2. Step 2: Convert to fraction form
    850,812.36/1,174,128.93 = 468,852.81/x
  3. Step 3: Cross multiply
    850,812.36x = 1,174,128.93 × 468,852.81
  4. Step 4: Simplify right side
    850,812.36x = 550,493,648,132.79
  5. Step 5: Solve for x
    x = 550,493,648,132.79/850,812.36
  6. Step 6: Final answer
    x = 647,021.22

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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.