Home / 745,262.36-1,117,911.86-271,947.57

Finding the Fourth Proportional to 745,262.36, 1,117,911.86 and 271,947.57

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Solution

The fourth proportional to 745,262.36, 1,117,911.86 and 271,947.57 is: 407,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,262.36 : 1,117,911.86 = 271,947.57 : x
  2. Step 2: Convert to fraction form
    745,262.36/1,117,911.86 = 271,947.57/x
  3. Step 3: Cross multiply
    745,262.36x = 1,117,911.86 × 271,947.57
  4. Step 4: Simplify right side
    745,262.36x = 304,013,413,801.18
  5. Step 5: Solve for x
    x = 304,013,413,801.18/745,262.36
  6. Step 6: Final answer
    x = 407,928.04

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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.