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Finding the Fourth Proportional to 883,575, 1,325,362.50 and 218,727

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Solution

The fourth proportional to 883,575, 1,325,362.50 and 218,727 is: 328,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,575 : 1,325,362.50 = 218,727 : x
  2. Step 2: Convert to fraction form
    883,575/1,325,362.50 = 218,727/x
  3. Step 3: Cross multiply
    883,575x = 1,325,362.50 × 218,727
  4. Step 4: Simplify right side
    883,575x = 289,892,563,537.50
  5. Step 5: Solve for x
    x = 289,892,563,537.50/883,575
  6. Step 6: Final answer
    x = 328,090.50

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1.5x scale

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.