Home / 752,967.70-1,038,794.93-480,965.04

Finding the Fourth Proportional to 752,967.70, 1,038,794.93 and 480,965.04

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Solution

The fourth proportional to 752,967.70, 1,038,794.93 and 480,965.04 is: 663,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,967.70 : 1,038,794.93 = 480,965.04 : x
  2. Step 2: Convert to fraction form
    752,967.70/1,038,794.93 = 480,965.04/x
  3. Step 3: Cross multiply
    752,967.70x = 1,038,794.93 × 480,965.04
  4. Step 4: Simplify right side
    752,967.70x = 499,624,044,458.04
  5. Step 5: Solve for x
    x = 499,624,044,458.04/752,967.70
  6. Step 6: Final answer
    x = 663,539.81

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1.5x scale

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.