Home / 768,015.60-1,059,859.35-423,849.03

Finding the Fourth Proportional to 768,015.60, 1,059,859.35 and 423,849.03

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Solution

The fourth proportional to 768,015.60, 1,059,859.35 and 423,849.03 is: 584,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,015.60 : 1,059,859.35 = 423,849.03 : x
  2. Step 2: Convert to fraction form
    768,015.60/1,059,859.35 = 423,849.03/x
  3. Step 3: Cross multiply
    768,015.60x = 1,059,859.35 × 423,849.03
  4. Step 4: Simplify right side
    768,015.60x = 449,220,357,433.93
  5. Step 5: Solve for x
    x = 449,220,357,433.93/768,015.60
  6. Step 6: Final answer
    x = 584,910.46

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1.5x scale

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.