Home / 672,610.09-928,208.27-370,814.89

Finding the Fourth Proportional to 672,610.09, 928,208.27 and 370,814.89

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Solution

The fourth proportional to 672,610.09, 928,208.27 and 370,814.89 is: 511,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,610.09 : 928,208.27 = 370,814.89 : x
  2. Step 2: Convert to fraction form
    672,610.09/928,208.27 = 370,814.89/x
  3. Step 3: Cross multiply
    672,610.09x = 928,208.27 × 370,814.89
  4. Step 4: Simplify right side
    672,610.09x = 344,193,447,537.14
  5. Step 5: Solve for x
    x = 344,193,447,537.14/672,610.09
  6. Step 6: Final answer
    x = 511,728.05

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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.