Home / 770,562.24-1,063,488.71-443,812.45

Finding the Fourth Proportional to 770,562.24, 1,063,488.71 and 443,812.45

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Solution

The fourth proportional to 770,562.24, 1,063,488.71 and 443,812.45 is: 612,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,562.24 : 1,063,488.71 = 443,812.45 : x
  2. Step 2: Convert to fraction form
    770,562.24/1,063,488.71 = 443,812.45/x
  3. Step 3: Cross multiply
    770,562.24x = 1,063,488.71 × 443,812.45
  4. Step 4: Simplify right side
    770,562.24x = 471,989,525,054.66
  5. Step 5: Solve for x
    x = 471,989,525,054.66/770,562.24
  6. Step 6: Final answer
    x = 612,526.15

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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.