Home / 725,941.40-1,087,745.70-606,968.60

Finding the Fourth Proportional to 725,941.40, 1,087,745.70 and 606,968.60

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Solution

The fourth proportional to 725,941.40, 1,087,745.70 and 606,968.60 is: 909,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,941.40 : 1,087,745.70 = 606,968.60 : x
  2. Step 2: Convert to fraction form
    725,941.40/1,087,745.70 = 606,968.60/x
  3. Step 3: Cross multiply
    725,941.40x = 1,087,745.70 × 606,968.60
  4. Step 4: Simplify right side
    725,941.40x = 660,227,484,685.02
  5. Step 5: Solve for x
    x = 660,227,484,685.02/725,941.40
  6. Step 6: Final answer
    x = 909,477.66

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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.