Home / 987,602.25-1,481,403.53-277,630.47

Finding the Fourth Proportional to 987,602.25, 1,481,403.53 and 277,630.47

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Solution

The fourth proportional to 987,602.25, 1,481,403.53 and 277,630.47 is: 416,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,602.25 : 1,481,403.53 = 277,630.47 : x
  2. Step 2: Convert to fraction form
    987,602.25/1,481,403.53 = 277,630.47/x
  3. Step 3: Cross multiply
    987,602.25x = 1,481,403.53 × 277,630.47
  4. Step 4: Simplify right side
    987,602.25x = 411,282,758,987.64
  5. Step 5: Solve for x
    x = 411,282,758,987.64/987,602.25
  6. Step 6: Final answer
    x = 416,445.75

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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.