Home / 648,030.16-894,324.61-361,556.45

Finding the Fourth Proportional to 648,030.16, 894,324.61 and 361,556.45

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Solution

The fourth proportional to 648,030.16, 894,324.61 and 361,556.45 is: 498,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,030.16 : 894,324.61 = 361,556.45 : x
  2. Step 2: Convert to fraction form
    648,030.16/894,324.61 = 361,556.45/x
  3. Step 3: Cross multiply
    648,030.16x = 894,324.61 × 361,556.45
  4. Step 4: Simplify right side
    648,030.16x = 323,348,831,139.24
  5. Step 5: Solve for x
    x = 323,348,831,139.24/648,030.16
  6. Step 6: Final answer
    x = 498,971.89

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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.