Home / 770,234.71-1,062,831.28-443,653.93

Finding the Fourth Proportional to 770,234.71, 1,062,831.28 and 443,653.93

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Solution

The fourth proportional to 770,234.71, 1,062,831.28 and 443,653.93 is: 612,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,234.71 : 1,062,831.28 = 443,653.93 : x
  2. Step 2: Convert to fraction form
    770,234.71/1,062,831.28 = 443,653.93/x
  3. Step 3: Cross multiply
    770,234.71x = 1,062,831.28 × 443,653.93
  4. Step 4: Simplify right side
    770,234.71x = 471,529,272,080.66
  5. Step 5: Solve for x
    x = 471,529,272,080.66/770,234.71
  6. Step 6: Final answer
    x = 612,189.08

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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.