Home / 628,358.72-867,153.60-341,897.36

Finding the Fourth Proportional to 628,358.72, 867,153.60 and 341,897.36

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Solution

The fourth proportional to 628,358.72, 867,153.60 and 341,897.36 is: 471,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,358.72 : 867,153.60 = 341,897.36 : x
  2. Step 2: Convert to fraction form
    628,358.72/867,153.60 = 341,897.36/x
  3. Step 3: Cross multiply
    628,358.72x = 867,153.60 × 341,897.36
  4. Step 4: Simplify right side
    628,358.72x = 296,477,522,218.73
  5. Step 5: Solve for x
    x = 296,477,522,218.73/628,358.72
  6. Step 6: Final answer
    x = 471,828.46

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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.