Home / 806,210.13-1,209,490.15-245,230.05

Finding the Fourth Proportional to 806,210.13, 1,209,490.15 and 245,230.05

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Solution

The fourth proportional to 806,210.13, 1,209,490.15 and 245,230.05 is: 367,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,210.13 : 1,209,490.15 = 245,230.05 : x
  2. Step 2: Convert to fraction form
    806,210.13/1,209,490.15 = 245,230.05/x
  3. Step 3: Cross multiply
    806,210.13x = 1,209,490.15 × 245,230.05
  4. Step 4: Simplify right side
    806,210.13x = 296,603,329,959.01
  5. Step 5: Solve for x
    x = 296,603,329,959.01/806,210.13
  6. Step 6: Final answer
    x = 367,898.29

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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.