Home / 708,909.84-1,062,446.22-287,956.08

Finding the Fourth Proportional to 708,909.84, 1,062,446.22 and 287,956.08

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Solution

The fourth proportional to 708,909.84, 1,062,446.22 and 287,956.08 is: 431,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,909.84 : 1,062,446.22 = 287,956.08 : x
  2. Step 2: Convert to fraction form
    708,909.84/1,062,446.22 = 287,956.08/x
  3. Step 3: Cross multiply
    708,909.84x = 1,062,446.22 × 287,956.08
  4. Step 4: Simplify right side
    708,909.84x = 305,937,848,722.02
  5. Step 5: Solve for x
    x = 305,937,848,722.02/708,909.84
  6. Step 6: Final answer
    x = 431,561.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.