Home / 770,543.99-1,063,430.75-443,868.29

Finding the Fourth Proportional to 770,543.99, 1,063,430.75 and 443,868.29

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Solution

The fourth proportional to 770,543.99, 1,063,430.75 and 443,868.29 is: 612,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,543.99 : 1,063,430.75 = 443,868.29 : x
  2. Step 2: Convert to fraction form
    770,543.99/1,063,430.75 = 443,868.29/x
  3. Step 3: Cross multiply
    770,543.99x = 1,063,430.75 × 443,868.29
  4. Step 4: Simplify right side
    770,543.99x = 472,023,186,316.58
  5. Step 5: Solve for x
    x = 472,023,186,316.58/770,543.99
  6. Step 6: Final answer
    x = 612,584.35

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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.