Home / 637,730.37-880,107.80-351,250.38

Finding the Fourth Proportional to 637,730.37, 880,107.80 and 351,250.38

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Solution

The fourth proportional to 637,730.37, 880,107.80 and 351,250.38 is: 484,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,730.37 : 880,107.80 = 351,250.38 : x
  2. Step 2: Convert to fraction form
    637,730.37/880,107.80 = 351,250.38/x
  3. Step 3: Cross multiply
    637,730.37x = 880,107.80 × 351,250.38
  4. Step 4: Simplify right side
    637,730.37x = 309,138,197,434.71
  5. Step 5: Solve for x
    x = 309,138,197,434.71/637,730.37
  6. Step 6: Final answer
    x = 484,747.49

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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.