Home / 937,690.40-1,406,389.80-263,705.60

Finding the Fourth Proportional to 937,690.40, 1,406,389.80 and 263,705.60

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Solution

The fourth proportional to 937,690.40, 1,406,389.80 and 263,705.60 is: 395,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,690.40 : 1,406,389.80 = 263,705.60 : x
  2. Step 2: Convert to fraction form
    937,690.40/1,406,389.80 = 263,705.60/x
  3. Step 3: Cross multiply
    937,690.40x = 1,406,389.80 × 263,705.60
  4. Step 4: Simplify right side
    937,690.40x = 370,872,866,042.88
  5. Step 5: Solve for x
    x = 370,872,866,042.88/937,690.40
  6. Step 6: Final answer
    x = 395,517.40

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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.