Home / 637,558.17-879,830.19-351,077.55

Finding the Fourth Proportional to 637,558.17, 879,830.19 and 351,077.55

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Solution

The fourth proportional to 637,558.17, 879,830.19 and 351,077.55 is: 484,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,558.17 : 879,830.19 = 351,077.55 : x
  2. Step 2: Convert to fraction form
    637,558.17/879,830.19 = 351,077.55/x
  3. Step 3: Cross multiply
    637,558.17x = 879,830.19 × 351,077.55
  4. Step 4: Simplify right side
    637,558.17x = 308,888,627,521.24
  5. Step 5: Solve for x
    x = 308,888,627,521.24/637,558.17
  6. Step 6: Final answer
    x = 484,486.97

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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.