Home / 698,898.38-1,048,347.56-225,653.45

Finding the Fourth Proportional to 698,898.38, 1,048,347.56 and 225,653.45

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Solution

The fourth proportional to 698,898.38, 1,048,347.56 and 225,653.45 is: 338,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,898.38 : 1,048,347.56 = 225,653.45 : x
  2. Step 2: Convert to fraction form
    698,898.38/1,048,347.56 = 225,653.45/x
  3. Step 3: Cross multiply
    698,898.38x = 1,048,347.56 × 225,653.45
  4. Step 4: Simplify right side
    698,898.38x = 236,563,239,035.48
  5. Step 5: Solve for x
    x = 236,563,239,035.48/698,898.38
  6. Step 6: Final answer
    x = 338,480.17

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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.