Home / 877,589.20-1,316,383.80-808,469.20

Finding the Fourth Proportional to 877,589.20, 1,316,383.80 and 808,469.20

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Solution

The fourth proportional to 877,589.20, 1,316,383.80 and 808,469.20 is: 1,212,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,589.20 : 1,316,383.80 = 808,469.20 : x
  2. Step 2: Convert to fraction form
    877,589.20/1,316,383.80 = 808,469.20/x
  3. Step 3: Cross multiply
    877,589.20x = 1,316,383.80 × 808,469.20
  4. Step 4: Simplify right side
    877,589.20x = 1,064,255,757,678.96
  5. Step 5: Solve for x
    x = 1,064,255,757,678.96/877,589.20
  6. Step 6: Final answer
    x = 1,212,703.80

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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.