Home / 724,055.66-999,193.58-401,765.02

Finding the Fourth Proportional to 724,055.66, 999,193.58 and 401,765.02

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Solution

The fourth proportional to 724,055.66, 999,193.58 and 401,765.02 is: 554,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,055.66 : 999,193.58 = 401,765.02 : x
  2. Step 2: Convert to fraction form
    724,055.66/999,193.58 = 401,765.02/x
  3. Step 3: Cross multiply
    724,055.66x = 999,193.58 × 401,765.02
  4. Step 4: Simplify right side
    724,055.66x = 401,441,028,652.57
  5. Step 5: Solve for x
    x = 401,441,028,652.57/724,055.66
  6. Step 6: Final answer
    x = 554,433.93

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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.