Home / 807,626.50-1,114,547.61-449,953.54

Finding the Fourth Proportional to 807,626.50, 1,114,547.61 and 449,953.54

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Solution

The fourth proportional to 807,626.50, 1,114,547.61 and 449,953.54 is: 620,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,626.50 : 1,114,547.61 = 449,953.54 : x
  2. Step 2: Convert to fraction form
    807,626.50/1,114,547.61 = 449,953.54/x
  3. Step 3: Cross multiply
    807,626.50x = 1,114,547.61 × 449,953.54
  4. Step 4: Simplify right side
    807,626.50x = 501,494,642,618.04
  5. Step 5: Solve for x
    x = 501,494,642,618.04/807,626.50
  6. Step 6: Final answer
    x = 620,948.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.