Home / 729,068.37-1,006,090.83-397,911.63

Finding the Fourth Proportional to 729,068.37, 1,006,090.83 and 397,911.63

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Solution

The fourth proportional to 729,068.37, 1,006,090.83 and 397,911.63 is: 549,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,068.37 : 1,006,090.83 = 397,911.63 : x
  2. Step 2: Convert to fraction form
    729,068.37/1,006,090.83 = 397,911.63/x
  3. Step 3: Cross multiply
    729,068.37x = 1,006,090.83 × 397,911.63
  4. Step 4: Simplify right side
    729,068.37x = 400,335,242,093.35
  5. Step 5: Solve for x
    x = 400,335,242,093.35/729,068.37
  6. Step 6: Final answer
    x = 549,105.21

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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.