Home / 648,837.48-888,892.45-624,578.79

Finding the Fourth Proportional to 648,837.48, 888,892.45 and 624,578.79

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Solution

The fourth proportional to 648,837.48, 888,892.45 and 624,578.79 is: 855,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,837.48 : 888,892.45 = 624,578.79 : x
  2. Step 2: Convert to fraction form
    648,837.48/888,892.45 = 624,578.79/x
  3. Step 3: Cross multiply
    648,837.48x = 888,892.45 × 624,578.79
  4. Step 4: Simplify right side
    648,837.48x = 555,183,369,299.69
  5. Step 5: Solve for x
    x = 555,183,369,299.69/648,837.48
  6. Step 6: Final answer
    x = 855,658.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.