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Finding the Fourth Proportional to 567,012.64, 851,046 and 286,731.04

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Solution

The fourth proportional to 567,012.64, 851,046 and 286,731.04 is: 430,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,012.64 : 851,046 = 286,731.04 : x
  2. Step 2: Convert to fraction form
    567,012.64/851,046 = 286,731.04/x
  3. Step 3: Cross multiply
    567,012.64x = 851,046 × 286,731.04
  4. Step 4: Simplify right side
    567,012.64x = 244,021,304,667.84
  5. Step 5: Solve for x
    x = 244,021,304,667.84/567,012.64
  6. Step 6: Final answer
    x = 430,363.08

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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.