Home / 767,595.60-1,059,258.60-428,121.36

Finding the Fourth Proportional to 767,595.60, 1,059,258.60 and 428,121.36

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Solution

The fourth proportional to 767,595.60, 1,059,258.60 and 428,121.36 is: 590,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,595.60 : 1,059,258.60 = 428,121.36 : x
  2. Step 2: Convert to fraction form
    767,595.60/1,059,258.60 = 428,121.36/x
  3. Step 3: Cross multiply
    767,595.60x = 1,059,258.60 × 428,121.36
  4. Step 4: Simplify right side
    767,595.60x = 453,491,232,423.70
  5. Step 5: Solve for x
    x = 453,491,232,423.70/767,595.60
  6. Step 6: Final answer
    x = 590,794.47

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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.