Home / 752,300.40-1,038,175.80-412,771.08

Finding the Fourth Proportional to 752,300.40, 1,038,175.80 and 412,771.08

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Solution

The fourth proportional to 752,300.40, 1,038,175.80 and 412,771.08 is: 569,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,300.40 : 1,038,175.80 = 412,771.08 : x
  2. Step 2: Convert to fraction form
    752,300.40/1,038,175.80 = 412,771.08/x
  3. Step 3: Cross multiply
    752,300.40x = 1,038,175.80 × 412,771.08
  4. Step 4: Simplify right side
    752,300.40x = 428,528,946,195.86
  5. Step 5: Solve for x
    x = 428,528,946,195.86/752,300.40
  6. Step 6: Final answer
    x = 569,624.78

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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.