Home / 840,829.40-1,259,400.90-730,237.40

Finding the Fourth Proportional to 840,829.40, 1,259,400.90 and 730,237.40

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Solution

The fourth proportional to 840,829.40, 1,259,400.90 and 730,237.40 is: 1,093,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,829.40 : 1,259,400.90 = 730,237.40 : x
  2. Step 2: Convert to fraction form
    840,829.40/1,259,400.90 = 730,237.40/x
  3. Step 3: Cross multiply
    840,829.40x = 1,259,400.90 × 730,237.40
  4. Step 4: Simplify right side
    840,829.40x = 919,661,638,773.66
  5. Step 5: Solve for x
    x = 919,661,638,773.66/840,829.40
  6. Step 6: Final answer
    x = 1,093,755.33

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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.