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Finding the Fourth Proportional to 567,999.14, 783,784.35 and 313,333.92

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Solution

The fourth proportional to 567,999.14, 783,784.35 and 313,333.92 is: 432,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,999.14 : 783,784.35 = 313,333.92 : x
  2. Step 2: Convert to fraction form
    567,999.14/783,784.35 = 313,333.92/x
  3. Step 3: Cross multiply
    567,999.14x = 783,784.35 × 313,333.92
  4. Step 4: Simplify right side
    567,999.14x = 245,586,222,820.15
  5. Step 5: Solve for x
    x = 245,586,222,820.15/567,999.14
  6. Step 6: Final answer
    x = 432,370.77

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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.