Home / 806,735.20-1,210,102.80-541,314.40

Finding the Fourth Proportional to 806,735.20, 1,210,102.80 and 541,314.40

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Solution

The fourth proportional to 806,735.20, 1,210,102.80 and 541,314.40 is: 811,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,735.20 : 1,210,102.80 = 541,314.40 : x
  2. Step 2: Convert to fraction form
    806,735.20/1,210,102.80 = 541,314.40/x
  3. Step 3: Cross multiply
    806,735.20x = 1,210,102.80 × 541,314.40
  4. Step 4: Simplify right side
    806,735.20x = 655,046,071,120.32
  5. Step 5: Solve for x
    x = 655,046,071,120.32/806,735.20
  6. Step 6: Final answer
    x = 811,971.60

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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.