Home / 931,539.20-1,397,308.80-266,604.80

Finding the Fourth Proportional to 931,539.20, 1,397,308.80 and 266,604.80

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Solution

The fourth proportional to 931,539.20, 1,397,308.80 and 266,604.80 is: 399,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,539.20 : 1,397,308.80 = 266,604.80 : x
  2. Step 2: Convert to fraction form
    931,539.20/1,397,308.80 = 266,604.80/x
  3. Step 3: Cross multiply
    931,539.20x = 1,397,308.80 × 266,604.80
  4. Step 4: Simplify right side
    931,539.20x = 372,529,233,162.24
  5. Step 5: Solve for x
    x = 372,529,233,162.24/931,539.20
  6. Step 6: Final answer
    x = 399,907.20

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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.