Home / 897,107.67-1,345,795.91-289,693.02

Finding the Fourth Proportional to 897,107.67, 1,345,795.91 and 289,693.02

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Solution

The fourth proportional to 897,107.67, 1,345,795.91 and 289,693.02 is: 434,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,107.67 : 1,345,795.91 = 289,693.02 : x
  2. Step 2: Convert to fraction form
    897,107.67/1,345,795.91 = 289,693.02/x
  3. Step 3: Cross multiply
    897,107.67x = 1,345,795.91 × 289,693.02
  4. Step 4: Simplify right side
    897,107.67x = 389,867,680,023.08
  5. Step 5: Solve for x
    x = 389,867,680,023.08/897,107.67
  6. Step 6: Final answer
    x = 434,582.93

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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.