Home / 966,619.40-1,449,929.10-406,747.40

Finding the Fourth Proportional to 966,619.40, 1,449,929.10 and 406,747.40

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Solution

The fourth proportional to 966,619.40, 1,449,929.10 and 406,747.40 is: 610,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,619.40 : 1,449,929.10 = 406,747.40 : x
  2. Step 2: Convert to fraction form
    966,619.40/1,449,929.10 = 406,747.40/x
  3. Step 3: Cross multiply
    966,619.40x = 1,449,929.10 × 406,747.40
  4. Step 4: Simplify right side
    966,619.40x = 589,754,891,609.34
  5. Step 5: Solve for x
    x = 589,754,891,609.34/966,619.40
  6. Step 6: Final answer
    x = 610,121.10

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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.