Home / 729,501.18-1,094,250.75-405,495.24

Finding the Fourth Proportional to 729,501.18, 1,094,250.75 and 405,495.24

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Solution

The fourth proportional to 729,501.18, 1,094,250.75 and 405,495.24 is: 608,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,501.18 : 1,094,250.75 = 405,495.24 : x
  2. Step 2: Convert to fraction form
    729,501.18/1,094,250.75 = 405,495.24/x
  3. Step 3: Cross multiply
    729,501.18x = 1,094,250.75 × 405,495.24
  4. Step 4: Simplify right side
    729,501.18x = 443,713,470,491.43
  5. Step 5: Solve for x
    x = 443,713,470,491.43/729,501.18
  6. Step 6: Final answer
    x = 608,242.29

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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.