Home / 669,975.30-1,004,746.98-220,589.19

Finding the Fourth Proportional to 669,975.30, 1,004,746.98 and 220,589.19

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Solution

The fourth proportional to 669,975.30, 1,004,746.98 and 220,589.19 is: 330,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,975.30 : 1,004,746.98 = 220,589.19 : x
  2. Step 2: Convert to fraction form
    669,975.30/1,004,746.98 = 220,589.19/x
  3. Step 3: Cross multiply
    669,975.30x = 1,004,746.98 × 220,589.19
  4. Step 4: Simplify right side
    669,975.30x = 221,636,323,300.36
  5. Step 5: Solve for x
    x = 221,636,323,300.36/669,975.30
  6. Step 6: Final answer
    x = 330,812.68

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1.5x scale

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.