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Finding the Fourth Proportional to 637,270.34, 879,432.90 and 350,789

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Solution

The fourth proportional to 637,270.34, 879,432.90 and 350,789 is: 484,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,270.34 : 879,432.90 = 350,789 : x
  2. Step 2: Convert to fraction form
    637,270.34/879,432.90 = 350,789/x
  3. Step 3: Cross multiply
    637,270.34x = 879,432.90 × 350,789
  4. Step 4: Simplify right side
    637,270.34x = 308,495,387,558.10
  5. Step 5: Solve for x
    x = 308,495,387,558.10/637,270.34
  6. Step 6: Final answer
    x = 484,088.73

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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.