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Finding the Fourth Proportional to 631,870.80, 947,806.08 and 252,962.08

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Solution

The fourth proportional to 631,870.80, 947,806.08 and 252,962.08 is: 379,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,870.80 : 947,806.08 = 252,962.08 : x
  2. Step 2: Convert to fraction form
    631,870.80/947,806.08 = 252,962.08/x
  3. Step 3: Cross multiply
    631,870.80x = 947,806.08 × 252,962.08
  4. Step 4: Simplify right side
    631,870.80x = 239,758,997,433.45
  5. Step 5: Solve for x
    x = 239,758,997,433.45/631,870.80
  6. Step 6: Final answer
    x = 379,443.07

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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.