Home / 850,687.65-1,173,975.54-488,177.82

Finding the Fourth Proportional to 850,687.65, 1,173,975.54 and 488,177.82

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Solution

The fourth proportional to 850,687.65, 1,173,975.54 and 488,177.82 is: 673,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,687.65 : 1,173,975.54 = 488,177.82 : x
  2. Step 2: Convert to fraction form
    850,687.65/1,173,975.54 = 488,177.82/x
  3. Step 3: Cross multiply
    850,687.65x = 1,173,975.54 × 488,177.82
  4. Step 4: Simplify right side
    850,687.65x = 573,108,818,019.86
  5. Step 5: Solve for x
    x = 573,108,818,019.86/850,687.65
  6. Step 6: Final answer
    x = 673,700.64

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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.