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Finding the Fourth Proportional to 569,270.64, 785,599.28 and 311,154.96

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Solution

The fourth proportional to 569,270.64, 785,599.28 and 311,154.96 is: 429,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,270.64 : 785,599.28 = 311,154.96 : x
  2. Step 2: Convert to fraction form
    569,270.64/785,599.28 = 311,154.96/x
  3. Step 3: Cross multiply
    569,270.64x = 785,599.28 × 311,154.96
  4. Step 4: Simplify right side
    569,270.64x = 244,443,112,544.43
  5. Step 5: Solve for x
    x = 244,443,112,544.43/569,270.64
  6. Step 6: Final answer
    x = 429,397.01

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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.