Home / 926,738.40-1,390,087.08-252,807.60

Finding the Fourth Proportional to 926,738.40, 1,390,087.08 and 252,807.60

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Solution

The fourth proportional to 926,738.40, 1,390,087.08 and 252,807.60 is: 379,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,738.40 : 1,390,087.08 = 252,807.60 : x
  2. Step 2: Convert to fraction form
    926,738.40/1,390,087.08 = 252,807.60/x
  3. Step 3: Cross multiply
    926,738.40x = 1,390,087.08 × 252,807.60
  4. Step 4: Simplify right side
    926,738.40x = 351,424,578,485.81
  5. Step 5: Solve for x
    x = 351,424,578,485.81/926,738.40
  6. Step 6: Final answer
    x = 379,205.80

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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.