Home / 873,457.32-1,309,748.58-274,410.48

Finding the Fourth Proportional to 873,457.32, 1,309,748.58 and 274,410.48

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Solution

The fourth proportional to 873,457.32, 1,309,748.58 and 274,410.48 is: 411,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,457.32 : 1,309,748.58 = 274,410.48 : x
  2. Step 2: Convert to fraction form
    873,457.32/1,309,748.58 = 274,410.48/x
  3. Step 3: Cross multiply
    873,457.32x = 1,309,748.58 × 274,410.48
  4. Step 4: Simplify right side
    873,457.32x = 359,408,736,517.12
  5. Step 5: Solve for x
    x = 359,408,736,517.12/873,457.32
  6. Step 6: Final answer
    x = 411,478.30

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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.