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Finding the Fourth Proportional to 637,331.04, 879,512.04 and 350,856

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Solution

The fourth proportional to 637,331.04, 879,512.04 and 350,856 is: 484,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,331.04 : 879,512.04 = 350,856 : x
  2. Step 2: Convert to fraction form
    637,331.04/879,512.04 = 350,856/x
  3. Step 3: Cross multiply
    637,331.04x = 879,512.04 × 350,856
  4. Step 4: Simplify right side
    637,331.04x = 308,582,076,306.24
  5. Step 5: Solve for x
    x = 308,582,076,306.24/637,331.04
  6. Step 6: Final answer
    x = 484,178.64

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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.