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Finding the Fourth Proportional to 450,014.40, 675,021.60 and 260,474.40

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Solution

The fourth proportional to 450,014.40, 675,021.60 and 260,474.40 is: 390,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,014.40 : 675,021.60 = 260,474.40 : x
  2. Step 2: Convert to fraction form
    450,014.40/675,021.60 = 260,474.40/x
  3. Step 3: Cross multiply
    450,014.40x = 675,021.60 × 260,474.40
  4. Step 4: Simplify right side
    450,014.40x = 175,825,846,247.04
  5. Step 5: Solve for x
    x = 175,825,846,247.04/450,014.40
  6. Step 6: Final answer
    x = 390,711.60

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Similar ratio
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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.