Home / 877,270.28-1,210,722.86-632,456.82

Finding the Fourth Proportional to 877,270.28, 1,210,722.86 and 632,456.82

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Solution

The fourth proportional to 877,270.28, 1,210,722.86 and 632,456.82 is: 872,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,270.28 : 1,210,722.86 = 632,456.82 : x
  2. Step 2: Convert to fraction form
    877,270.28/1,210,722.86 = 632,456.82/x
  3. Step 3: Cross multiply
    877,270.28x = 1,210,722.86 × 632,456.82
  4. Step 4: Simplify right side
    877,270.28x = 765,729,930,552.42
  5. Step 5: Solve for x
    x = 765,729,930,552.42/877,270.28
  6. Step 6: Final answer
    x = 872,855.20

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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.