Home / 908,128.27-1,252,967.63-632,176.86

Finding the Fourth Proportional to 908,128.27, 1,252,967.63 and 632,176.86

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Solution

The fourth proportional to 908,128.27, 1,252,967.63 and 632,176.86 is: 872,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,128.27 : 1,252,967.63 = 632,176.86 : x
  2. Step 2: Convert to fraction form
    908,128.27/1,252,967.63 = 632,176.86/x
  3. Step 3: Cross multiply
    908,128.27x = 1,252,967.63 × 632,176.86
  4. Step 4: Simplify right side
    908,128.27x = 792,097,138,282.84
  5. Step 5: Solve for x
    x = 792,097,138,282.84/908,128.27
  6. Step 6: Final answer
    x = 872,230.46

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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.