Home / 724,284.42-999,559.21-401,994.54

Finding the Fourth Proportional to 724,284.42, 999,559.21 and 401,994.54

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Solution

The fourth proportional to 724,284.42, 999,559.21 and 401,994.54 is: 554,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,284.42 : 999,559.21 = 401,994.54 : x
  2. Step 2: Convert to fraction form
    724,284.42/999,559.21 = 401,994.54/x
  3. Step 3: Cross multiply
    724,284.42x = 999,559.21 × 401,994.54
  4. Step 4: Simplify right side
    724,284.42x = 401,817,344,826.71
  5. Step 5: Solve for x
    x = 401,817,344,826.71/724,284.42
  6. Step 6: Final answer
    x = 554,778.39

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1.5x scale

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.