Home / 664,802.20-997,527.30-309,633.40

Finding the Fourth Proportional to 664,802.20, 997,527.30 and 309,633.40

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Solution

The fourth proportional to 664,802.20, 997,527.30 and 309,633.40 is: 464,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,802.20 : 997,527.30 = 309,633.40 : x
  2. Step 2: Convert to fraction form
    664,802.20/997,527.30 = 309,633.40/x
  3. Step 3: Cross multiply
    664,802.20x = 997,527.30 × 309,633.40
  4. Step 4: Simplify right side
    664,802.20x = 308,867,769,491.82
  5. Step 5: Solve for x
    x = 308,867,769,491.82/664,802.20
  6. Step 6: Final answer
    x = 464,601.00

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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.