Home / 637,541.88-879,807.79-351,061.28

Finding the Fourth Proportional to 637,541.88, 879,807.79 and 351,061.28

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Solution

The fourth proportional to 637,541.88, 879,807.79 and 351,061.28 is: 484,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,541.88 : 879,807.79 = 351,061.28 : x
  2. Step 2: Convert to fraction form
    637,541.88/879,807.79 = 351,061.28/x
  3. Step 3: Cross multiply
    637,541.88x = 879,807.79 × 351,061.28
  4. Step 4: Simplify right side
    637,541.88x = 308,866,448,911.37
  5. Step 5: Solve for x
    x = 308,866,448,911.37/637,541.88
  6. Step 6: Final answer
    x = 484,464.56

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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.