Home / 637,849.92-880,228.80-351,363.36

Finding the Fourth Proportional to 637,849.92, 880,228.80 and 351,363.36

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Solution

The fourth proportional to 637,849.92, 880,228.80 and 351,363.36 is: 484,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,849.92 : 880,228.80 = 351,363.36 : x
  2. Step 2: Convert to fraction form
    637,849.92/880,228.80 = 351,363.36/x
  3. Step 3: Cross multiply
    637,849.92x = 880,228.80 × 351,363.36
  4. Step 4: Simplify right side
    637,849.92x = 309,280,148,736.77
  5. Step 5: Solve for x
    x = 309,280,148,736.77/637,849.92
  6. Step 6: Final answer
    x = 484,879.18

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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.