Home / 678,496.75-1,018,211.69-235,264.75

Finding the Fourth Proportional to 678,496.75, 1,018,211.69 and 235,264.75

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Solution

The fourth proportional to 678,496.75, 1,018,211.69 and 235,264.75 is: 353,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,496.75 : 1,018,211.69 = 235,264.75 : x
  2. Step 2: Convert to fraction form
    678,496.75/1,018,211.69 = 235,264.75/x
  3. Step 3: Cross multiply
    678,496.75x = 1,018,211.69 × 235,264.75
  4. Step 4: Simplify right side
    678,496.75x = 239,549,318,694.93
  5. Step 5: Solve for x
    x = 239,549,318,694.93/678,496.75
  6. Step 6: Final answer
    x = 353,058.90

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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.