Home / 948,686.93-1,420,749.82-542,648.51

Finding the Fourth Proportional to 948,686.93, 1,420,749.82 and 542,648.51

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Solution

The fourth proportional to 948,686.93, 1,420,749.82 and 542,648.51 is: 812,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,686.93 : 1,420,749.82 = 542,648.51 : x
  2. Step 2: Convert to fraction form
    948,686.93/1,420,749.82 = 542,648.51/x
  3. Step 3: Cross multiply
    948,686.93x = 1,420,749.82 × 542,648.51
  4. Step 4: Simplify right side
    948,686.93x = 770,967,763,088.78
  5. Step 5: Solve for x
    x = 770,967,763,088.78/948,686.93
  6. Step 6: Final answer
    x = 812,668.27

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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.