Home / 630,305.46-945,466.38-209,581.32

Finding the Fourth Proportional to 630,305.46, 945,466.38 and 209,581.32

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Solution

The fourth proportional to 630,305.46, 945,466.38 and 209,581.32 is: 314,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,305.46 : 945,466.38 = 209,581.32 : x
  2. Step 2: Convert to fraction form
    630,305.46/945,466.38 = 209,581.32/x
  3. Step 3: Cross multiply
    630,305.46x = 945,466.38 × 209,581.32
  4. Step 4: Simplify right side
    630,305.46x = 198,152,091,936.02
  5. Step 5: Solve for x
    x = 198,152,091,936.02/630,305.46
  6. Step 6: Final answer
    x = 314,374.70

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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.