Home / 648,948.92-973,672.67-457,007.55

Finding the Fourth Proportional to 648,948.92, 973,672.67 and 457,007.55

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Solution

The fourth proportional to 648,948.92, 973,672.67 and 457,007.55 is: 685,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,948.92 : 973,672.67 = 457,007.55 : x
  2. Step 2: Convert to fraction form
    648,948.92/973,672.67 = 457,007.55/x
  3. Step 3: Cross multiply
    648,948.92x = 973,672.67 × 457,007.55
  4. Step 4: Simplify right side
    648,948.92x = 444,975,759,133.62
  5. Step 5: Solve for x
    x = 444,975,759,133.62/648,948.92
  6. Step 6: Final answer
    x = 685,686.88

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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.