Home / 678,805.52-1,018,192.51-341,755.67

Finding the Fourth Proportional to 678,805.52, 1,018,192.51 and 341,755.67

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Solution

The fourth proportional to 678,805.52, 1,018,192.51 and 341,755.67 is: 512,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,805.52 : 1,018,192.51 = 341,755.67 : x
  2. Step 2: Convert to fraction form
    678,805.52/1,018,192.51 = 341,755.67/x
  3. Step 3: Cross multiply
    678,805.52x = 1,018,192.51 × 341,755.67
  4. Step 4: Simplify right side
    678,805.52x = 347,973,066,416.71
  5. Step 5: Solve for x
    x = 347,973,066,416.71/678,805.52
  6. Step 6: Final answer
    x = 512,625.57

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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.