Home / 630,432.30-945,778.05-210,009.90

Finding the Fourth Proportional to 630,432.30, 945,778.05 and 210,009.90

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Solution

The fourth proportional to 630,432.30, 945,778.05 and 210,009.90 is: 315,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,432.30 : 945,778.05 = 210,009.90 : x
  2. Step 2: Convert to fraction form
    630,432.30/945,778.05 = 210,009.90/x
  3. Step 3: Cross multiply
    630,432.30x = 945,778.05 × 210,009.90
  4. Step 4: Simplify right side
    630,432.30x = 198,622,753,702.70
  5. Step 5: Solve for x
    x = 198,622,753,702.70/630,432.30
  6. Step 6: Final answer
    x = 315,058.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.