Home / 670,898.44-1,006,347.72-459,896.68

Finding the Fourth Proportional to 670,898.44, 1,006,347.72 and 459,896.68

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Solution

The fourth proportional to 670,898.44, 1,006,347.72 and 459,896.68 is: 689,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,898.44 : 1,006,347.72 = 459,896.68 : x
  2. Step 2: Convert to fraction form
    670,898.44/1,006,347.72 = 459,896.68/x
  3. Step 3: Cross multiply
    670,898.44x = 1,006,347.72 × 459,896.68
  4. Step 4: Simplify right side
    670,898.44x = 462,815,975,353.57
  5. Step 5: Solve for x
    x = 462,815,975,353.57/670,898.44
  6. Step 6: Final answer
    x = 689,845.06

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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.