Home / 762,238.06-1,051,908.42-418,089.04

Finding the Fourth Proportional to 762,238.06, 1,051,908.42 and 418,089.04

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Solution

The fourth proportional to 762,238.06, 1,051,908.42 and 418,089.04 is: 576,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,238.06 : 1,051,908.42 = 418,089.04 : x
  2. Step 2: Convert to fraction form
    762,238.06/1,051,908.42 = 418,089.04/x
  3. Step 3: Cross multiply
    762,238.06x = 1,051,908.42 × 418,089.04
  4. Step 4: Simplify right side
    762,238.06x = 439,791,381,485.72
  5. Step 5: Solve for x
    x = 439,791,381,485.72/762,238.06
  6. Step 6: Final answer
    x = 576,973.79

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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.