Home / 983,073.92-1,474,609.32-309,214.40

Finding the Fourth Proportional to 983,073.92, 1,474,609.32 and 309,214.40

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Solution

The fourth proportional to 983,073.92, 1,474,609.32 and 309,214.40 is: 463,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,073.92 : 1,474,609.32 = 309,214.40 : x
  2. Step 2: Convert to fraction form
    983,073.92/1,474,609.32 = 309,214.40/x
  3. Step 3: Cross multiply
    983,073.92x = 1,474,609.32 × 309,214.40
  4. Step 4: Simplify right side
    983,073.92x = 455,970,436,118.21
  5. Step 5: Solve for x
    x = 455,970,436,118.21/983,073.92
  6. Step 6: Final answer
    x = 463,821.11

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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.