Home / 784,664.23-1,175,900.26-424,057.70

Finding the Fourth Proportional to 784,664.23, 1,175,900.26 and 424,057.70

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Solution

The fourth proportional to 784,664.23, 1,175,900.26 and 424,057.70 is: 635,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,664.23 : 1,175,900.26 = 424,057.70 : x
  2. Step 2: Convert to fraction form
    784,664.23/1,175,900.26 = 424,057.70/x
  3. Step 3: Cross multiply
    784,664.23x = 1,175,900.26 × 424,057.70
  4. Step 4: Simplify right side
    784,664.23x = 498,649,557,564.71
  5. Step 5: Solve for x
    x = 498,649,557,564.71/784,664.23
  6. Step 6: Final answer
    x = 635,494.19

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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.