Home / 759,301.20-1,139,124.60-443,595.60

Finding the Fourth Proportional to 759,301.20, 1,139,124.60 and 443,595.60

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Solution

The fourth proportional to 759,301.20, 1,139,124.60 and 443,595.60 is: 665,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,301.20 : 1,139,124.60 = 443,595.60 : x
  2. Step 2: Convert to fraction form
    759,301.20/1,139,124.60 = 443,595.60/x
  3. Step 3: Cross multiply
    759,301.20x = 1,139,124.60 × 443,595.60
  4. Step 4: Simplify right side
    759,301.20x = 505,310,660,411.76
  5. Step 5: Solve for x
    x = 505,310,660,411.76/759,301.20
  6. Step 6: Final answer
    x = 665,494.35

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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.