Home / 840,822.40-1,259,390.40-730,230.40

Finding the Fourth Proportional to 840,822.40, 1,259,390.40 and 730,230.40

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Solution

The fourth proportional to 840,822.40, 1,259,390.40 and 730,230.40 is: 1,093,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,822.40 : 1,259,390.40 = 730,230.40 : x
  2. Step 2: Convert to fraction form
    840,822.40/1,259,390.40 = 730,230.40/x
  3. Step 3: Cross multiply
    840,822.40x = 1,259,390.40 × 730,230.40
  4. Step 4: Simplify right side
    840,822.40x = 919,645,155,548.16
  5. Step 5: Solve for x
    x = 919,645,155,548.16/840,822.40
  6. Step 6: Final answer
    x = 1,093,744.83

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1.5x scale

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.