Home / 637,927.29-880,379.37-351,447.30

Finding the Fourth Proportional to 637,927.29, 880,379.37 and 351,447.30

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Solution

The fourth proportional to 637,927.29, 880,379.37 and 351,447.30 is: 485,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,927.29 : 880,379.37 = 351,447.30 : x
  2. Step 2: Convert to fraction form
    637,927.29/880,379.37 = 351,447.30/x
  3. Step 3: Cross multiply
    637,927.29x = 880,379.37 × 351,447.30
  4. Step 4: Simplify right side
    637,927.29x = 309,406,952,562.20
  5. Step 5: Solve for x
    x = 309,406,952,562.20/637,927.29
  6. Step 6: Final answer
    x = 485,019.15

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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.