Home / 1,019,279.94-1,528,929.11-309,307.96

Finding the Fourth Proportional to 1,019,279.94, 1,528,929.11 and 309,307.96

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Solution

The fourth proportional to 1,019,279.94, 1,528,929.11 and 309,307.96 is: 463,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,279.94 : 1,528,929.11 = 309,307.96 : x
  2. Step 2: Convert to fraction form
    1,019,279.94/1,528,929.11 = 309,307.96/x
  3. Step 3: Cross multiply
    1,019,279.94x = 1,528,929.11 × 309,307.96
  4. Step 4: Simplify right side
    1,019,279.94x = 472,909,943,998.72
  5. Step 5: Solve for x
    x = 472,909,943,998.72/1,019,279.94
  6. Step 6: Final answer
    x = 463,964.73

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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.