Home / 868,866.48-1,198,986.30-506,349.36

Finding the Fourth Proportional to 868,866.48, 1,198,986.30 and 506,349.36

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Solution

The fourth proportional to 868,866.48, 1,198,986.30 and 506,349.36 is: 698,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,866.48 : 1,198,986.30 = 506,349.36 : x
  2. Step 2: Convert to fraction form
    868,866.48/1,198,986.30 = 506,349.36/x
  3. Step 3: Cross multiply
    868,866.48x = 1,198,986.30 × 506,349.36
  4. Step 4: Simplify right side
    868,866.48x = 607,105,945,653.77
  5. Step 5: Solve for x
    x = 607,105,945,653.77/868,866.48
  6. Step 6: Final answer
    x = 698,733.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.