Home / 979,438.40-1,468,466.40-447,214.40

Finding the Fourth Proportional to 979,438.40, 1,468,466.40 and 447,214.40

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Solution

The fourth proportional to 979,438.40, 1,468,466.40 and 447,214.40 is: 670,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,438.40 : 1,468,466.40 = 447,214.40 : x
  2. Step 2: Convert to fraction form
    979,438.40/1,468,466.40 = 447,214.40/x
  3. Step 3: Cross multiply
    979,438.40x = 1,468,466.40 × 447,214.40
  4. Step 4: Simplify right side
    979,438.40x = 656,719,319,996.16
  5. Step 5: Solve for x
    x = 656,719,319,996.16/979,438.40
  6. Step 6: Final answer
    x = 670,506.00

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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.