Home / 494,428.17-740,432.66-446,505.02

Finding the Fourth Proportional to 494,428.17, 740,432.66 and 446,505.02

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Solution

The fourth proportional to 494,428.17, 740,432.66 and 446,505.02 is: 668,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.17 : 740,432.66 = 446,505.02 : x
  2. Step 2: Convert to fraction form
    494,428.17/740,432.66 = 446,505.02/x
  3. Step 3: Cross multiply
    494,428.17x = 740,432.66 × 446,505.02
  4. Step 4: Simplify right side
    494,428.17x = 330,606,893,727.27
  5. Step 5: Solve for x
    x = 330,606,893,727.27/494,428.17
  6. Step 6: Final answer
    x = 668,665.16

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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.