Home / 637,551.32-879,826.56-351,072.56

Finding the Fourth Proportional to 637,551.32, 879,826.56 and 351,072.56

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Solution

The fourth proportional to 637,551.32, 879,826.56 and 351,072.56 is: 484,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,551.32 : 879,826.56 = 351,072.56 : x
  2. Step 2: Convert to fraction form
    637,551.32/879,826.56 = 351,072.56/x
  3. Step 3: Cross multiply
    637,551.32x = 879,826.56 × 351,072.56
  4. Step 4: Simplify right side
    637,551.32x = 308,882,962,775.19
  5. Step 5: Solve for x
    x = 308,882,962,775.19/637,551.32
  6. Step 6: Final answer
    x = 484,483.29

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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.