Home / 807,433.20-1,213,774.20-572,403.60

Finding the Fourth Proportional to 807,433.20, 1,213,774.20 and 572,403.60

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Solution

The fourth proportional to 807,433.20, 1,213,774.20 and 572,403.60 is: 860,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,433.20 : 1,213,774.20 = 572,403.60 : x
  2. Step 2: Convert to fraction form
    807,433.20/1,213,774.20 = 572,403.60/x
  3. Step 3: Cross multiply
    807,433.20x = 1,213,774.20 × 572,403.60
  4. Step 4: Simplify right side
    807,433.20x = 694,768,721,667.12
  5. Step 5: Solve for x
    x = 694,768,721,667.12/807,433.20
  6. Step 6: Final answer
    x = 860,465.88

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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.