Home / 791,865.42-1,092,782.88-465,192.18

Finding the Fourth Proportional to 791,865.42, 1,092,782.88 and 465,192.18

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Solution

The fourth proportional to 791,865.42, 1,092,782.88 and 465,192.18 is: 641,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,865.42 : 1,092,782.88 = 465,192.18 : x
  2. Step 2: Convert to fraction form
    791,865.42/1,092,782.88 = 465,192.18/x
  3. Step 3: Cross multiply
    791,865.42x = 1,092,782.88 × 465,192.18
  4. Step 4: Simplify right side
    791,865.42x = 508,354,050,213.88
  5. Step 5: Solve for x
    x = 508,354,050,213.88/791,865.42
  6. Step 6: Final answer
    x = 641,970.26

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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.