Home / 648,950.92-973,675.67-457,009.55

Finding the Fourth Proportional to 648,950.92, 973,675.67 and 457,009.55

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Solution

The fourth proportional to 648,950.92, 973,675.67 and 457,009.55 is: 685,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,950.92 : 973,675.67 = 457,009.55 : x
  2. Step 2: Convert to fraction form
    648,950.92/973,675.67 = 457,009.55/x
  3. Step 3: Cross multiply
    648,950.92x = 973,675.67 × 457,009.55
  4. Step 4: Simplify right side
    648,950.92x = 444,979,079,792.65
  5. Step 5: Solve for x
    x = 444,979,079,792.65/648,950.92
  6. Step 6: Final answer
    x = 685,689.88

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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.