Home / 678,501.75-1,018,219.19-235,269.75

Finding the Fourth Proportional to 678,501.75, 1,018,219.19 and 235,269.75

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Solution

The fourth proportional to 678,501.75, 1,018,219.19 and 235,269.75 is: 353,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,501.75 : 1,018,219.19 = 235,269.75 : x
  2. Step 2: Convert to fraction form
    678,501.75/1,018,219.19 = 235,269.75/x
  3. Step 3: Cross multiply
    678,501.75x = 1,018,219.19 × 235,269.75
  4. Step 4: Simplify right side
    678,501.75x = 239,556,174,276.50
  5. Step 5: Solve for x
    x = 239,556,174,276.50/678,501.75
  6. Step 6: Final answer
    x = 353,066.41

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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.