Home / 698,617.50-1,047,820.96-447,651.75

Finding the Fourth Proportional to 698,617.50, 1,047,820.96 and 447,651.75

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Solution

The fourth proportional to 698,617.50, 1,047,820.96 and 447,651.75 is: 671,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,617.50 : 1,047,820.96 = 447,651.75 : x
  2. Step 2: Convert to fraction form
    698,617.50/1,047,820.96 = 447,651.75/x
  3. Step 3: Cross multiply
    698,617.50x = 1,047,820.96 × 447,651.75
  4. Step 4: Simplify right side
    698,617.50x = 469,058,885,025.58
  5. Step 5: Solve for x
    x = 469,058,885,025.58/698,617.50
  6. Step 6: Final answer
    x = 671,410.16

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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.