Home / 856,069.40-1,284,628.98-383,154.68

Finding the Fourth Proportional to 856,069.40, 1,284,628.98 and 383,154.68

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Solution

The fourth proportional to 856,069.40, 1,284,628.98 and 383,154.68 is: 574,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,069.40 : 1,284,628.98 = 383,154.68 : x
  2. Step 2: Convert to fraction form
    856,069.40/1,284,628.98 = 383,154.68/x
  3. Step 3: Cross multiply
    856,069.40x = 1,284,628.98 × 383,154.68
  4. Step 4: Simplify right side
    856,069.40x = 492,211,605,750.63
  5. Step 5: Solve for x
    x = 492,211,605,750.63/856,069.40
  6. Step 6: Final answer
    x = 574,966.94

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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.