Home / 724,941.63-1,000,308.26-418,958.93

Finding the Fourth Proportional to 724,941.63, 1,000,308.26 and 418,958.93

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Solution

The fourth proportional to 724,941.63, 1,000,308.26 and 418,958.93 is: 578,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,941.63 : 1,000,308.26 = 418,958.93 : x
  2. Step 2: Convert to fraction form
    724,941.63/1,000,308.26 = 418,958.93/x
  3. Step 3: Cross multiply
    724,941.63x = 1,000,308.26 × 418,958.93
  4. Step 4: Simplify right side
    724,941.63x = 419,088,071,183.43
  5. Step 5: Solve for x
    x = 419,088,071,183.43/724,941.63
  6. Step 6: Final answer
    x = 578,099.05

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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.