Home / 806,585.70-1,209,878.55-245,619.30

Finding the Fourth Proportional to 806,585.70, 1,209,878.55 and 245,619.30

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Solution

The fourth proportional to 806,585.70, 1,209,878.55 and 245,619.30 is: 368,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,585.70 : 1,209,878.55 = 245,619.30 : x
  2. Step 2: Convert to fraction form
    806,585.70/1,209,878.55 = 245,619.30/x
  3. Step 3: Cross multiply
    806,585.70x = 1,209,878.55 × 245,619.30
  4. Step 4: Simplify right side
    806,585.70x = 297,169,522,536.02
  5. Step 5: Solve for x
    x = 297,169,522,536.02/806,585.70
  6. Step 6: Final answer
    x = 368,428.95

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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.