Home / 874,856.50-1,207,301.97-472,448.50

Finding the Fourth Proportional to 874,856.50, 1,207,301.97 and 472,448.50

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Solution

The fourth proportional to 874,856.50, 1,207,301.97 and 472,448.50 is: 651,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,856.50 : 1,207,301.97 = 472,448.50 : x
  2. Step 2: Convert to fraction form
    874,856.50/1,207,301.97 = 472,448.50/x
  3. Step 3: Cross multiply
    874,856.50x = 1,207,301.97 × 472,448.50
  4. Step 4: Simplify right side
    874,856.50x = 570,388,004,773.55
  5. Step 5: Solve for x
    x = 570,388,004,773.55/874,856.50
  6. Step 6: Final answer
    x = 651,978.93

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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.