Home / 876,420.17-1,315,093.12-621,897.41

Finding the Fourth Proportional to 876,420.17, 1,315,093.12 and 621,897.41

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Solution

The fourth proportional to 876,420.17, 1,315,093.12 and 621,897.41 is: 933,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,420.17 : 1,315,093.12 = 621,897.41 : x
  2. Step 2: Convert to fraction form
    876,420.17/1,315,093.12 = 621,897.41/x
  3. Step 3: Cross multiply
    876,420.17x = 1,315,093.12 × 621,897.41
  4. Step 4: Simplify right side
    876,420.17x = 817,853,005,236.82
  5. Step 5: Solve for x
    x = 817,853,005,236.82/876,420.17
  6. Step 6: Final answer
    x = 933,174.56

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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.