Home / 648,949.92-973,674.17-457,008.55

Finding the Fourth Proportional to 648,949.92, 973,674.17 and 457,008.55

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Solution

The fourth proportional to 648,949.92, 973,674.17 and 457,008.55 is: 685,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,949.92 : 973,674.17 = 457,008.55 : x
  2. Step 2: Convert to fraction form
    648,949.92/973,674.17 = 457,008.55/x
  3. Step 3: Cross multiply
    648,949.92x = 973,674.17 × 457,008.55
  4. Step 4: Simplify right side
    648,949.92x = 444,977,420,604.15
  5. Step 5: Solve for x
    x = 444,977,420,604.15/648,949.92
  6. Step 6: Final answer
    x = 685,688.38

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1.5x scale

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.