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Finding the Fourth Proportional to 617,875.70, 926,122.35 and 262,829.30

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Solution

The fourth proportional to 617,875.70, 926,122.35 and 262,829.30 is: 393,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,875.70 : 926,122.35 = 262,829.30 : x
  2. Step 2: Convert to fraction form
    617,875.70/926,122.35 = 262,829.30/x
  3. Step 3: Cross multiply
    617,875.70x = 926,122.35 × 262,829.30
  4. Step 4: Simplify right side
    617,875.70x = 243,412,088,964.86
  5. Step 5: Solve for x
    x = 243,412,088,964.86/617,875.70
  6. Step 6: Final answer
    x = 393,949.93

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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.