Home / 806,970.80-1,210,456.20-718,497.20

Finding the Fourth Proportional to 806,970.80, 1,210,456.20 and 718,497.20

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Solution

The fourth proportional to 806,970.80, 1,210,456.20 and 718,497.20 is: 1,077,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,970.80 : 1,210,456.20 = 718,497.20 : x
  2. Step 2: Convert to fraction form
    806,970.80/1,210,456.20 = 718,497.20/x
  3. Step 3: Cross multiply
    806,970.80x = 1,210,456.20 × 718,497.20
  4. Step 4: Simplify right side
    806,970.80x = 869,709,390,422.64
  5. Step 5: Solve for x
    x = 869,709,390,422.64/806,970.80
  6. Step 6: Final answer
    x = 1,077,745.80

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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.