Home / 679,529.45-937,731.53-373,605.41

Finding the Fourth Proportional to 679,529.45, 937,731.53 and 373,605.41

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Solution

The fourth proportional to 679,529.45, 937,731.53 and 373,605.41 is: 515,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,529.45 : 937,731.53 = 373,605.41 : x
  2. Step 2: Convert to fraction form
    679,529.45/937,731.53 = 373,605.41/x
  3. Step 3: Cross multiply
    679,529.45x = 937,731.53 × 373,605.41
  4. Step 4: Simplify right side
    679,529.45x = 350,341,576,013.92
  5. Step 5: Solve for x
    x = 350,341,576,013.92/679,529.45
  6. Step 6: Final answer
    x = 515,564.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.