Home / 806,670.80-1,210,006.20-245,632.40

Finding the Fourth Proportional to 806,670.80, 1,210,006.20 and 245,632.40

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Solution

The fourth proportional to 806,670.80, 1,210,006.20 and 245,632.40 is: 368,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,670.80 : 1,210,006.20 = 245,632.40 : x
  2. Step 2: Convert to fraction form
    806,670.80/1,210,006.20 = 245,632.40/x
  3. Step 3: Cross multiply
    806,670.80x = 1,210,006.20 × 245,632.40
  4. Step 4: Simplify right side
    806,670.80x = 297,216,726,920.88
  5. Step 5: Solve for x
    x = 297,216,726,920.88/806,670.80
  6. Step 6: Final answer
    x = 368,448.60

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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.