Home / 970,108.80-1,455,819.30-543,643.80

Finding the Fourth Proportional to 970,108.80, 1,455,819.30 and 543,643.80

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Solution

The fourth proportional to 970,108.80, 1,455,819.30 and 543,643.80 is: 815,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,108.80 : 1,455,819.30 = 543,643.80 : x
  2. Step 2: Convert to fraction form
    970,108.80/1,455,819.30 = 543,643.80/x
  3. Step 3: Cross multiply
    970,108.80x = 1,455,819.30 × 543,643.80
  4. Step 4: Simplify right side
    970,108.80x = 791,447,136,365.34
  5. Step 5: Solve for x
    x = 791,447,136,365.34/970,108.80
  6. Step 6: Final answer
    x = 815,833.37

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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.