Home / 645,284.20-967,054.40-245,707

Finding the Fourth Proportional to 645,284.20, 967,054.40 and 245,707

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Solution

The fourth proportional to 645,284.20, 967,054.40 and 245,707 is: 368,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,284.20 : 967,054.40 = 245,707 : x
  2. Step 2: Convert to fraction form
    645,284.20/967,054.40 = 245,707/x
  3. Step 3: Cross multiply
    645,284.20x = 967,054.40 × 245,707
  4. Step 4: Simplify right side
    645,284.20x = 237,612,035,460.80
  5. Step 5: Solve for x
    x = 237,612,035,460.80/645,284.20
  6. Step 6: Final answer
    x = 368,228.50

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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.