Home / 744,759.72-1,027,611.61-487,014.48

Finding the Fourth Proportional to 744,759.72, 1,027,611.61 and 487,014.48

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Solution

The fourth proportional to 744,759.72, 1,027,611.61 and 487,014.48 is: 671,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,759.72 : 1,027,611.61 = 487,014.48 : x
  2. Step 2: Convert to fraction form
    744,759.72/1,027,611.61 = 487,014.48/x
  3. Step 3: Cross multiply
    744,759.72x = 1,027,611.61 × 487,014.48
  4. Step 4: Simplify right side
    744,759.72x = 500,461,732,668.58
  5. Step 5: Solve for x
    x = 500,461,732,668.58/744,759.72
  6. Step 6: Final answer
    x = 671,977.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.