Home / 841,701.80-1,262,552.70-420,825.80

Finding the Fourth Proportional to 841,701.80, 1,262,552.70 and 420,825.80

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Solution

The fourth proportional to 841,701.80, 1,262,552.70 and 420,825.80 is: 631,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,701.80 : 1,262,552.70 = 420,825.80 : x
  2. Step 2: Convert to fraction form
    841,701.80/1,262,552.70 = 420,825.80/x
  3. Step 3: Cross multiply
    841,701.80x = 1,262,552.70 × 420,825.80
  4. Step 4: Simplify right side
    841,701.80x = 531,314,750,019.66
  5. Step 5: Solve for x
    x = 531,314,750,019.66/841,701.80
  6. Step 6: Final answer
    x = 631,238.70

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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.