Home / 637,795.88-880,158.31-351,315.08

Finding the Fourth Proportional to 637,795.88, 880,158.31 and 351,315.08

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Solution

The fourth proportional to 637,795.88, 880,158.31 and 351,315.08 is: 484,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,795.88 : 880,158.31 = 351,315.08 : x
  2. Step 2: Convert to fraction form
    637,795.88/880,158.31 = 351,315.08/x
  3. Step 3: Cross multiply
    637,795.88x = 880,158.31 × 351,315.08
  4. Step 4: Simplify right side
    637,795.88x = 309,212,882,689.52
  5. Step 5: Solve for x
    x = 309,212,882,689.52/637,795.88
  6. Step 6: Final answer
    x = 484,814.80

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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.