Home / 689,666.70-1,034,582.94-228,060.22

Finding the Fourth Proportional to 689,666.70, 1,034,582.94 and 228,060.22

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Solution

The fourth proportional to 689,666.70, 1,034,582.94 and 228,060.22 is: 342,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,666.70 : 1,034,582.94 = 228,060.22 : x
  2. Step 2: Convert to fraction form
    689,666.70/1,034,582.94 = 228,060.22/x
  3. Step 3: Cross multiply
    689,666.70x = 1,034,582.94 × 228,060.22
  4. Step 4: Simplify right side
    689,666.70x = 235,947,212,904.65
  5. Step 5: Solve for x
    x = 235,947,212,904.65/689,666.70
  6. Step 6: Final answer
    x = 342,117.74

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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.