Home / 672,643.08-928,205.46-370,837.08

Finding the Fourth Proportional to 672,643.08, 928,205.46 and 370,837.08

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Solution

The fourth proportional to 672,643.08, 928,205.46 and 370,837.08 is: 511,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,643.08 : 928,205.46 = 370,837.08 : x
  2. Step 2: Convert to fraction form
    672,643.08/928,205.46 = 370,837.08/x
  3. Step 3: Cross multiply
    672,643.08x = 928,205.46 × 370,837.08
  4. Step 4: Simplify right side
    672,643.08x = 344,213,002,426.46
  5. Step 5: Solve for x
    x = 344,213,002,426.46/672,643.08
  6. Step 6: Final answer
    x = 511,732.02

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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.