Home / 867,493.76-1,301,512.86-521,675.26

Finding the Fourth Proportional to 867,493.76, 1,301,512.86 and 521,675.26

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Solution

The fourth proportional to 867,493.76, 1,301,512.86 and 521,675.26 is: 782,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,493.76 : 1,301,512.86 = 521,675.26 : x
  2. Step 2: Convert to fraction form
    867,493.76/1,301,512.86 = 521,675.26/x
  3. Step 3: Cross multiply
    867,493.76x = 1,301,512.86 × 521,675.26
  4. Step 4: Simplify right side
    867,493.76x = 678,967,053,126.28
  5. Step 5: Solve for x
    x = 678,967,053,126.28/867,493.76
  6. Step 6: Final answer
    x = 782,676.58

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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.