Home / 446,366.40-669,586.02-209,579.92

Finding the Fourth Proportional to 446,366.40, 669,586.02 and 209,579.92

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Solution

The fourth proportional to 446,366.40, 669,586.02 and 209,579.92 is: 314,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,366.40 : 669,586.02 = 209,579.92 : x
  2. Step 2: Convert to fraction form
    446,366.40/669,586.02 = 209,579.92/x
  3. Step 3: Cross multiply
    446,366.40x = 669,586.02 × 209,579.92
  4. Step 4: Simplify right side
    446,366.40x = 140,331,784,504.72
  5. Step 5: Solve for x
    x = 140,331,784,504.72/446,366.40
  6. Step 6: Final answer
    x = 314,386.98

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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.