Home / 735,672.60-1,103,508.90-380,795.40

Finding the Fourth Proportional to 735,672.60, 1,103,508.90 and 380,795.40

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Solution

The fourth proportional to 735,672.60, 1,103,508.90 and 380,795.40 is: 571,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,672.60 : 1,103,508.90 = 380,795.40 : x
  2. Step 2: Convert to fraction form
    735,672.60/1,103,508.90 = 380,795.40/x
  3. Step 3: Cross multiply
    735,672.60x = 1,103,508.90 × 380,795.40
  4. Step 4: Simplify right side
    735,672.60x = 420,211,112,979.06
  5. Step 5: Solve for x
    x = 420,211,112,979.06/735,672.60
  6. Step 6: Final answer
    x = 571,193.10

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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.