Home / 724,283.66-999,492.24-401,985.44

Finding the Fourth Proportional to 724,283.66, 999,492.24 and 401,985.44

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Solution

The fourth proportional to 724,283.66, 999,492.24 and 401,985.44 is: 554,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,283.66 : 999,492.24 = 401,985.44 : x
  2. Step 2: Convert to fraction form
    724,283.66/999,492.24 = 401,985.44/x
  3. Step 3: Cross multiply
    724,283.66x = 999,492.24 × 401,985.44
  4. Step 4: Simplify right side
    724,283.66x = 401,781,327,872.99
  5. Step 5: Solve for x
    x = 401,781,327,872.99/724,283.66
  6. Step 6: Final answer
    x = 554,729.24

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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.