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Finding the Fourth Proportional to 551,990.20, 827,547.90 and 302,672.20

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Solution

The fourth proportional to 551,990.20, 827,547.90 and 302,672.20 is: 453,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,990.20 : 827,547.90 = 302,672.20 : x
  2. Step 2: Convert to fraction form
    551,990.20/827,547.90 = 302,672.20/x
  3. Step 3: Cross multiply
    551,990.20x = 827,547.90 × 302,672.20
  4. Step 4: Simplify right side
    551,990.20x = 250,475,743,498.38
  5. Step 5: Solve for x
    x = 250,475,743,498.38/551,990.20
  6. Step 6: Final answer
    x = 453,768.46

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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.