Home / 648,948.38-973,457.22-199,977.62

Finding the Fourth Proportional to 648,948.38, 973,457.22 and 199,977.62

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Solution

The fourth proportional to 648,948.38, 973,457.22 and 199,977.62 is: 299,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,948.38 : 973,457.22 = 199,977.62 : x
  2. Step 2: Convert to fraction form
    648,948.38/973,457.22 = 199,977.62/x
  3. Step 3: Cross multiply
    648,948.38x = 973,457.22 × 199,977.62
  4. Step 4: Simplify right side
    648,948.38x = 194,669,658,027.42
  5. Step 5: Solve for x
    x = 194,669,658,027.42/648,948.38
  6. Step 6: Final answer
    x = 299,977.11

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Double scale
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1.5x scale

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.