Home / 784,663.98-1,175,899.88-424,057.45

Finding the Fourth Proportional to 784,663.98, 1,175,899.88 and 424,057.45

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Solution

The fourth proportional to 784,663.98, 1,175,899.88 and 424,057.45 is: 635,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,663.98 : 1,175,899.88 = 424,057.45 : x
  2. Step 2: Convert to fraction form
    784,663.98/1,175,899.88 = 424,057.45/x
  3. Step 3: Cross multiply
    784,663.98x = 1,175,899.88 × 424,057.45
  4. Step 4: Simplify right side
    784,663.98x = 498,649,104,568.11
  5. Step 5: Solve for x
    x = 498,649,104,568.11/784,663.98
  6. Step 6: Final answer
    x = 635,493.81

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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.