Home / 698,918.18-1,048,377.20-225,673.25

Finding the Fourth Proportional to 698,918.18, 1,048,377.20 and 225,673.25

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Solution

The fourth proportional to 698,918.18, 1,048,377.20 and 225,673.25 is: 338,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,918.18 : 1,048,377.20 = 225,673.25 : x
  2. Step 2: Convert to fraction form
    698,918.18/1,048,377.20 = 225,673.25/x
  3. Step 3: Cross multiply
    698,918.18x = 1,048,377.20 × 225,673.25
  4. Step 4: Simplify right side
    698,918.18x = 236,590,683,579.65
  5. Step 5: Solve for x
    x = 236,590,683,579.65/698,918.18
  6. Step 6: Final answer
    x = 338,509.85

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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.