Home / 987,746.70-1,481,619.70-277,774.72

Finding the Fourth Proportional to 987,746.70, 1,481,619.70 and 277,774.72

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Solution

The fourth proportional to 987,746.70, 1,481,619.70 and 277,774.72 is: 416,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,746.70 : 1,481,619.70 = 277,774.72 : x
  2. Step 2: Convert to fraction form
    987,746.70/1,481,619.70 = 277,774.72/x
  3. Step 3: Cross multiply
    987,746.70x = 1,481,619.70 × 277,774.72
  4. Step 4: Simplify right side
    987,746.70x = 411,556,493,957.15
  5. Step 5: Solve for x
    x = 411,556,493,957.15/987,746.70
  6. Step 6: Final answer
    x = 416,661.98

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1.5x scale

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.