Home / 663,948.30-994,734.45-403,812.30

Finding the Fourth Proportional to 663,948.30, 994,734.45 and 403,812.30

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Solution

The fourth proportional to 663,948.30, 994,734.45 and 403,812.30 is: 604,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,948.30 : 994,734.45 = 403,812.30 : x
  2. Step 2: Convert to fraction form
    663,948.30/994,734.45 = 403,812.30/x
  3. Step 3: Cross multiply
    663,948.30x = 994,734.45 × 403,812.30
  4. Step 4: Simplify right side
    663,948.30x = 401,686,006,143.74
  5. Step 5: Solve for x
    x = 401,686,006,143.74/663,948.30
  6. Step 6: Final answer
    x = 604,995.91

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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.