Home / 724,293.36-999,506.16-401,994

Finding the Fourth Proportional to 724,293.36, 999,506.16 and 401,994

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Solution

The fourth proportional to 724,293.36, 999,506.16 and 401,994 is: 554,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,293.36 : 999,506.16 = 401,994 : x
  2. Step 2: Convert to fraction form
    724,293.36/999,506.16 = 401,994/x
  3. Step 3: Cross multiply
    724,293.36x = 999,506.16 × 401,994
  4. Step 4: Simplify right side
    724,293.36x = 401,795,479,283.04
  5. Step 5: Solve for x
    x = 401,795,479,283.04/724,293.36
  6. Step 6: Final answer
    x = 554,741.35

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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.