Home / 389,829.17-584,948.70-276,707.00

Finding the Fourth Proportional to 389,829.17, 584,948.70 and 276,707.00

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Solution

The fourth proportional to 389,829.17, 584,948.70 and 276,707.00 is: 415,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,829.17 : 584,948.70 = 276,707.00 : x
  2. Step 2: Convert to fraction form
    389,829.17/584,948.70 = 276,707.00/x
  3. Step 3: Cross multiply
    389,829.17x = 584,948.70 × 276,707.00
  4. Step 4: Simplify right side
    389,829.17x = 161,859,401,393.27
  5. Step 5: Solve for x
    x = 161,859,401,393.27/389,829.17
  6. Step 6: Final answer
    x = 415,205.97

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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.