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Finding the Fourth Proportional to 567,774.02, 783,528.86 and 309,651.39

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Solution

The fourth proportional to 567,774.02, 783,528.86 and 309,651.39 is: 427,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,774.02 : 783,528.86 = 309,651.39 : x
  2. Step 2: Convert to fraction form
    567,774.02/783,528.86 = 309,651.39/x
  3. Step 3: Cross multiply
    567,774.02x = 783,528.86 × 309,651.39
  4. Step 4: Simplify right side
    567,774.02x = 242,620,801,378.24
  5. Step 5: Solve for x
    x = 242,620,801,378.24/567,774.02
  6. Step 6: Final answer
    x = 427,319.31

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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.