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Finding the Fourth Proportional to 585,004.28, 877,830.62 and 285,487.34

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Solution

The fourth proportional to 585,004.28, 877,830.62 and 285,487.34 is: 428,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,004.28 : 877,830.62 = 285,487.34 : x
  2. Step 2: Convert to fraction form
    585,004.28/877,830.62 = 285,487.34/x
  3. Step 3: Cross multiply
    585,004.28x = 877,830.62 × 285,487.34
  4. Step 4: Simplify right side
    585,004.28x = 250,609,522,857.76
  5. Step 5: Solve for x
    x = 250,609,522,857.76/585,004.28
  6. Step 6: Final answer
    x = 428,389.22

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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.