Home / 971,825.53-1,458,159.32-522,021.60

Finding the Fourth Proportional to 971,825.53, 1,458,159.32 and 522,021.60

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Solution

The fourth proportional to 971,825.53, 1,458,159.32 and 522,021.60 is: 783,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,825.53 : 1,458,159.32 = 522,021.60 : x
  2. Step 2: Convert to fraction form
    971,825.53/1,458,159.32 = 522,021.60/x
  3. Step 3: Cross multiply
    971,825.53x = 1,458,159.32 × 522,021.60
  4. Step 4: Simplify right side
    971,825.53x = 761,190,661,281.31
  5. Step 5: Solve for x
    x = 761,190,661,281.31/971,825.53
  6. Step 6: Final answer
    x = 783,258.56

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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.