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Finding the Fourth Proportional to 637,537.70, 879,808.02 and 351,068.24

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Solution

The fourth proportional to 637,537.70, 879,808.02 and 351,068.24 is: 484,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,537.70 : 879,808.02 = 351,068.24 : x
  2. Step 2: Convert to fraction form
    637,537.70/879,808.02 = 351,068.24/x
  3. Step 3: Cross multiply
    637,537.70x = 879,808.02 × 351,068.24
  4. Step 4: Simplify right side
    637,537.70x = 308,872,653,119.29
  5. Step 5: Solve for x
    x = 308,872,653,119.29/637,537.70
  6. Step 6: Final answer
    x = 484,477.47

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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.