Home / 719,897.91-1,080,024.47-214,456.92

Finding the Fourth Proportional to 719,897.91, 1,080,024.47 and 214,456.92

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Solution

The fourth proportional to 719,897.91, 1,080,024.47 and 214,456.92 is: 321,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,897.91 : 1,080,024.47 = 214,456.92 : x
  2. Step 2: Convert to fraction form
    719,897.91/1,080,024.47 = 214,456.92/x
  3. Step 3: Cross multiply
    719,897.91x = 1,080,024.47 × 214,456.92
  4. Step 4: Simplify right side
    719,897.91x = 231,618,717,042.67
  5. Step 5: Solve for x
    x = 231,618,717,042.67/719,897.91
  6. Step 6: Final answer
    x = 321,738.28

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1.5x scale

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.