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Finding the Fourth Proportional to 617,126.40, 925,689.60 and 492,710.40

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Solution

The fourth proportional to 617,126.40, 925,689.60 and 492,710.40 is: 739,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,126.40 : 925,689.60 = 492,710.40 : x
  2. Step 2: Convert to fraction form
    617,126.40/925,689.60 = 492,710.40/x
  3. Step 3: Cross multiply
    617,126.40x = 925,689.60 × 492,710.40
  4. Step 4: Simplify right side
    617,126.40x = 456,096,893,091.84
  5. Step 5: Solve for x
    x = 456,096,893,091.84/617,126.40
  6. Step 6: Final answer
    x = 739,065.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.