Home / 637,815.09-880,187.20-351,334.49

Finding the Fourth Proportional to 637,815.09, 880,187.20 and 351,334.49

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Solution

The fourth proportional to 637,815.09, 880,187.20 and 351,334.49 is: 484,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,815.09 : 880,187.20 = 351,334.49 : x
  2. Step 2: Convert to fraction form
    637,815.09/880,187.20 = 351,334.49/x
  3. Step 3: Cross multiply
    637,815.09x = 880,187.20 × 351,334.49
  4. Step 4: Simplify right side
    637,815.09x = 309,240,117,718.72
  5. Step 5: Solve for x
    x = 309,240,117,718.72/637,815.09
  6. Step 6: Final answer
    x = 484,842.90

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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.