Home / 724,153.76-999,298.50-401,861.04

Finding the Fourth Proportional to 724,153.76, 999,298.50 and 401,861.04

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Solution

The fourth proportional to 724,153.76, 999,298.50 and 401,861.04 is: 554,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,153.76 : 999,298.50 = 401,861.04 : x
  2. Step 2: Convert to fraction form
    724,153.76/999,298.50 = 401,861.04/x
  3. Step 3: Cross multiply
    724,153.76x = 999,298.50 × 401,861.04
  4. Step 4: Simplify right side
    724,153.76x = 401,579,134,480.44
  5. Step 5: Solve for x
    x = 401,579,134,480.44/724,153.76
  6. Step 6: Final answer
    x = 554,549.54

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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.