Home / 908,273.25-1,253,417.09-505,865.25

Finding the Fourth Proportional to 908,273.25, 1,253,417.09 and 505,865.25

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Solution

The fourth proportional to 908,273.25, 1,253,417.09 and 505,865.25 is: 698,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,273.25 : 1,253,417.09 = 505,865.25 : x
  2. Step 2: Convert to fraction form
    908,273.25/1,253,417.09 = 505,865.25/x
  3. Step 3: Cross multiply
    908,273.25x = 1,253,417.09 × 505,865.25
  4. Step 4: Simplify right side
    908,273.25x = 634,060,147,057.80
  5. Step 5: Solve for x
    x = 634,060,147,057.80/908,273.25
  6. Step 6: Final answer
    x = 698,094.05

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1.5x scale

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.