Home / 908,276.52-1,253,421.60-505,868.52

Finding the Fourth Proportional to 908,276.52, 1,253,421.60 and 505,868.52

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Solution

The fourth proportional to 908,276.52, 1,253,421.60 and 505,868.52 is: 698,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,276.52 : 1,253,421.60 = 505,868.52 : x
  2. Step 2: Convert to fraction form
    908,276.52/1,253,421.60 = 505,868.52/x
  3. Step 3: Cross multiply
    908,276.52x = 1,253,421.60 × 505,868.52
  4. Step 4: Simplify right side
    908,276.52x = 634,066,529,728.03
  5. Step 5: Solve for x
    x = 634,066,529,728.03/908,276.52
  6. Step 6: Final answer
    x = 698,098.56

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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.