Home / 856,164.30-1,284,258.93-406,930.98

Finding the Fourth Proportional to 856,164.30, 1,284,258.93 and 406,930.98

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Solution

The fourth proportional to 856,164.30, 1,284,258.93 and 406,930.98 is: 610,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,164.30 : 1,284,258.93 = 406,930.98 : x
  2. Step 2: Convert to fraction form
    856,164.30/1,284,258.93 = 406,930.98/x
  3. Step 3: Cross multiply
    856,164.30x = 1,284,258.93 × 406,930.98
  4. Step 4: Simplify right side
    856,164.30x = 522,604,744,958.65
  5. Step 5: Solve for x
    x = 522,604,744,958.65/856,164.30
  6. Step 6: Final answer
    x = 610,402.40

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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.