Home / 972,964.07-1,459,446.11-289,861.31

Finding the Fourth Proportional to 972,964.07, 1,459,446.11 and 289,861.31

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Solution

The fourth proportional to 972,964.07, 1,459,446.11 and 289,861.31 is: 434,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,964.07 : 1,459,446.11 = 289,861.31 : x
  2. Step 2: Convert to fraction form
    972,964.07/1,459,446.11 = 289,861.31/x
  3. Step 3: Cross multiply
    972,964.07x = 1,459,446.11 × 289,861.31
  4. Step 4: Simplify right side
    972,964.07x = 423,036,952,572.47
  5. Step 5: Solve for x
    x = 423,036,952,572.47/972,964.07
  6. Step 6: Final answer
    x = 434,791.96

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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.