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Finding the Fourth Proportional to 585,024.80, 877,537.20 and 285,697.40

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Solution

The fourth proportional to 585,024.80, 877,537.20 and 285,697.40 is: 428,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,024.80 : 877,537.20 = 285,697.40 : x
  2. Step 2: Convert to fraction form
    585,024.80/877,537.20 = 285,697.40/x
  3. Step 3: Cross multiply
    585,024.80x = 877,537.20 × 285,697.40
  4. Step 4: Simplify right side
    585,024.80x = 250,710,096,443.28
  5. Step 5: Solve for x
    x = 250,710,096,443.28/585,024.80
  6. Step 6: Final answer
    x = 428,546.10

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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.