Home / 908,275.08-1,253,458.34-505,867.08

Finding the Fourth Proportional to 908,275.08, 1,253,458.34 and 505,867.08

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Solution

The fourth proportional to 908,275.08, 1,253,458.34 and 505,867.08 is: 698,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,275.08 : 1,253,458.34 = 505,867.08 : x
  2. Step 2: Convert to fraction form
    908,275.08/1,253,458.34 = 505,867.08/x
  3. Step 3: Cross multiply
    908,275.08x = 1,253,458.34 × 505,867.08
  4. Step 4: Simplify right side
    908,275.08x = 634,083,310,357.45
  5. Step 5: Solve for x
    x = 634,083,310,357.45/908,275.08
  6. Step 6: Final answer
    x = 698,118.14

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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.