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Finding the Fourth Proportional to 564,302.16, 778,735.87 and 306,179.02

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Solution

The fourth proportional to 564,302.16, 778,735.87 and 306,179.02 is: 422,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,302.16 : 778,735.87 = 306,179.02 : x
  2. Step 2: Convert to fraction form
    564,302.16/778,735.87 = 306,179.02/x
  3. Step 3: Cross multiply
    564,302.16x = 778,735.87 × 306,179.02
  4. Step 4: Simplify right side
    564,302.16x = 238,432,585,515.45
  5. Step 5: Solve for x
    x = 238,432,585,515.45/564,302.16
  6. Step 6: Final answer
    x = 422,526.44

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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.