Home / 698,898.70-1,047,829.65-299,212.30

Finding the Fourth Proportional to 698,898.70, 1,047,829.65 and 299,212.30

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Solution

The fourth proportional to 698,898.70, 1,047,829.65 and 299,212.30 is: 448,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,898.70 : 1,047,829.65 = 299,212.30 : x
  2. Step 2: Convert to fraction form
    698,898.70/1,047,829.65 = 299,212.30/x
  3. Step 3: Cross multiply
    698,898.70x = 1,047,829.65 × 299,212.30
  4. Step 4: Simplify right side
    698,898.70x = 313,523,519,584.70
  5. Step 5: Solve for x
    x = 313,523,519,584.70/698,898.70
  6. Step 6: Final answer
    x = 448,596.51

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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.