Home / 496,742.12-685,610.95-303,108.34

Finding the Fourth Proportional to 496,742.12, 685,610.95 and 303,108.34

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Solution

The fourth proportional to 496,742.12, 685,610.95 and 303,108.34 is: 418,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,742.12 : 685,610.95 = 303,108.34 : x
  2. Step 2: Convert to fraction form
    496,742.12/685,610.95 = 303,108.34/x
  3. Step 3: Cross multiply
    496,742.12x = 685,610.95 × 303,108.34
  4. Step 4: Simplify right side
    496,742.12x = 207,814,397,925.89
  5. Step 5: Solve for x
    x = 207,814,397,925.89/496,742.12
  6. Step 6: Final answer
    x = 418,354.70

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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.