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Finding the Fourth Proportional to 585,045.41, 877,891.93 and 285,528.47

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Solution

The fourth proportional to 585,045.41, 877,891.93 and 285,528.47 is: 428,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,045.41 : 877,891.93 = 285,528.47 : x
  2. Step 2: Convert to fraction form
    585,045.41/877,891.93 = 285,528.47/x
  3. Step 3: Cross multiply
    585,045.41x = 877,891.93 × 285,528.47
  4. Step 4: Simplify right side
    585,045.41x = 250,663,134,494.97
  5. Step 5: Solve for x
    x = 250,663,134,494.97/585,045.41
  6. Step 6: Final answer
    x = 428,450.74

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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.