Home / 806,980.10-1,210,340.55-245,884.10

Finding the Fourth Proportional to 806,980.10, 1,210,340.55 and 245,884.10

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Solution

The fourth proportional to 806,980.10, 1,210,340.55 and 245,884.10 is: 368,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,980.10 : 1,210,340.55 = 245,884.10 : x
  2. Step 2: Convert to fraction form
    806,980.10/1,210,340.55 = 245,884.10/x
  3. Step 3: Cross multiply
    806,980.10x = 1,210,340.55 × 245,884.10
  4. Step 4: Simplify right side
    806,980.10x = 297,603,496,830.26
  5. Step 5: Solve for x
    x = 297,603,496,830.26/806,980.10
  6. Step 6: Final answer
    x = 368,786.66

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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.