Home / 727,838.95-1,091,960.97-317,544.16

Finding the Fourth Proportional to 727,838.95, 1,091,960.97 and 317,544.16

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Solution

The fourth proportional to 727,838.95, 1,091,960.97 and 317,544.16 is: 476,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,838.95 : 1,091,960.97 = 317,544.16 : x
  2. Step 2: Convert to fraction form
    727,838.95/1,091,960.97 = 317,544.16/x
  3. Step 3: Cross multiply
    727,838.95x = 1,091,960.97 × 317,544.16
  4. Step 4: Simplify right side
    727,838.95x = 346,745,828,312.05
  5. Step 5: Solve for x
    x = 346,745,828,312.05/727,838.95
  6. Step 6: Final answer
    x = 476,404.61

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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.