Home / 637,562.16-879,835.72-351,081.56

Finding the Fourth Proportional to 637,562.16, 879,835.72 and 351,081.56

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Solution

The fourth proportional to 637,562.16, 879,835.72 and 351,081.56 is: 484,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,562.16 : 879,835.72 = 351,081.56 : x
  2. Step 2: Convert to fraction form
    637,562.16/879,835.72 = 351,081.56/x
  3. Step 3: Cross multiply
    637,562.16x = 879,835.72 × 351,081.56
  4. Step 4: Simplify right side
    637,562.16x = 308,894,097,121.32
  5. Step 5: Solve for x
    x = 308,894,097,121.32/637,562.16
  6. Step 6: Final answer
    x = 484,492.52

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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.