Home / 668,898.65-1,003,501.20-289,882.97

Finding the Fourth Proportional to 668,898.65, 1,003,501.20 and 289,882.97

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Solution

The fourth proportional to 668,898.65, 1,003,501.20 and 289,882.97 is: 434,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,898.65 : 1,003,501.20 = 289,882.97 : x
  2. Step 2: Convert to fraction form
    668,898.65/1,003,501.20 = 289,882.97/x
  3. Step 3: Cross multiply
    668,898.65x = 1,003,501.20 × 289,882.97
  4. Step 4: Simplify right side
    668,898.65x = 290,897,903,237.06
  5. Step 5: Solve for x
    x = 290,897,903,237.06/668,898.65
  6. Step 6: Final answer
    x = 434,890.85

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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.