Home / 637,629.04-879,933.90-351,150.28

Finding the Fourth Proportional to 637,629.04, 879,933.90 and 351,150.28

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Solution

The fourth proportional to 637,629.04, 879,933.90 and 351,150.28 is: 484,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,629.04 : 879,933.90 = 351,150.28 : x
  2. Step 2: Convert to fraction form
    637,629.04/879,933.90 = 351,150.28/x
  3. Step 3: Cross multiply
    637,629.04x = 879,933.90 × 351,150.28
  4. Step 4: Simplify right side
    637,629.04x = 308,989,035,366.49
  5. Step 5: Solve for x
    x = 308,989,035,366.49/637,629.04
  6. Step 6: Final answer
    x = 484,590.59

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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.