Home / 753,722.20-1,130,583.30-434,857.60

Finding the Fourth Proportional to 753,722.20, 1,130,583.30 and 434,857.60

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Solution

The fourth proportional to 753,722.20, 1,130,583.30 and 434,857.60 is: 652,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,722.20 : 1,130,583.30 = 434,857.60 : x
  2. Step 2: Convert to fraction form
    753,722.20/1,130,583.30 = 434,857.60/x
  3. Step 3: Cross multiply
    753,722.20x = 1,130,583.30 × 434,857.60
  4. Step 4: Simplify right side
    753,722.20x = 491,642,740,438.08
  5. Step 5: Solve for x
    x = 491,642,740,438.08/753,722.20
  6. Step 6: Final answer
    x = 652,286.40

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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.