Home / 866,048.36-1,298,740.43-297,323.60

Finding the Fourth Proportional to 866,048.36, 1,298,740.43 and 297,323.60

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Solution

The fourth proportional to 866,048.36, 1,298,740.43 and 297,323.60 is: 445,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,048.36 : 1,298,740.43 = 297,323.60 : x
  2. Step 2: Convert to fraction form
    866,048.36/1,298,740.43 = 297,323.60/x
  3. Step 3: Cross multiply
    866,048.36x = 1,298,740.43 × 297,323.60
  4. Step 4: Simplify right side
    866,048.36x = 386,146,174,362.76
  5. Step 5: Solve for x
    x = 386,146,174,362.76/866,048.36
  6. Step 6: Final answer
    x = 445,871.38

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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.