Home / 642,244.53-885,457.26-552,563.85

Finding the Fourth Proportional to 642,244.53, 885,457.26 and 552,563.85

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Solution

The fourth proportional to 642,244.53, 885,457.26 and 552,563.85 is: 761,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,244.53 : 885,457.26 = 552,563.85 : x
  2. Step 2: Convert to fraction form
    642,244.53/885,457.26 = 552,563.85/x
  3. Step 3: Cross multiply
    642,244.53x = 885,457.26 × 552,563.85
  4. Step 4: Simplify right side
    642,244.53x = 489,271,672,596.05
  5. Step 5: Solve for x
    x = 489,271,672,596.05/642,244.53
  6. Step 6: Final answer
    x = 761,815.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.