Home / 931,225.37-1,395,708.10-660,926.75

Finding the Fourth Proportional to 931,225.37, 1,395,708.10 and 660,926.75

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Solution

The fourth proportional to 931,225.37, 1,395,708.10 and 660,926.75 is: 990,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,225.37 : 1,395,708.10 = 660,926.75 : x
  2. Step 2: Convert to fraction form
    931,225.37/1,395,708.10 = 660,926.75/x
  3. Step 3: Cross multiply
    931,225.37x = 1,395,708.10 × 660,926.75
  4. Step 4: Simplify right side
    931,225.37x = 922,460,809,850.82
  5. Step 5: Solve for x
    x = 922,460,809,850.82/931,225.37
  6. Step 6: Final answer
    x = 990,588.15

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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.