Home / 775,719.18-1,070,589.96-436,185

Finding the Fourth Proportional to 775,719.18, 1,070,589.96 and 436,185

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Solution

The fourth proportional to 775,719.18, 1,070,589.96 and 436,185 is: 601,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,719.18 : 1,070,589.96 = 436,185 : x
  2. Step 2: Convert to fraction form
    775,719.18/1,070,589.96 = 436,185/x
  3. Step 3: Cross multiply
    775,719.18x = 1,070,589.96 × 436,185
  4. Step 4: Simplify right side
    775,719.18x = 466,975,281,702.60
  5. Step 5: Solve for x
    x = 466,975,281,702.60/775,719.18
  6. Step 6: Final answer
    x = 601,990.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.