Home / 769,738.40-1,154,402.80-237,258.40

Finding the Fourth Proportional to 769,738.40, 1,154,402.80 and 237,258.40

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Solution

The fourth proportional to 769,738.40, 1,154,402.80 and 237,258.40 is: 355,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,738.40 : 1,154,402.80 = 237,258.40 : x
  2. Step 2: Convert to fraction form
    769,738.40/1,154,402.80 = 237,258.40/x
  3. Step 3: Cross multiply
    769,738.40x = 1,154,402.80 × 237,258.40
  4. Step 4: Simplify right side
    769,738.40x = 273,891,761,283.52
  5. Step 5: Solve for x
    x = 273,891,761,283.52/769,738.40
  6. Step 6: Final answer
    x = 355,824.47

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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.