Home / 987,702.57-1,481,554.35-277,730.60

Finding the Fourth Proportional to 987,702.57, 1,481,554.35 and 277,730.60

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Solution

The fourth proportional to 987,702.57, 1,481,554.35 and 277,730.60 is: 416,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,702.57 : 1,481,554.35 = 277,730.60 : x
  2. Step 2: Convert to fraction form
    987,702.57/1,481,554.35 = 277,730.60/x
  3. Step 3: Cross multiply
    987,702.57x = 1,481,554.35 × 277,730.60
  4. Step 4: Simplify right side
    987,702.57x = 411,472,971,150.34
  5. Step 5: Solve for x
    x = 411,472,971,150.34/987,702.57
  6. Step 6: Final answer
    x = 416,596.03

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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.