Home / 846,688.80-1,268,996.40-372,871.20

Finding the Fourth Proportional to 846,688.80, 1,268,996.40 and 372,871.20

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Solution

The fourth proportional to 846,688.80, 1,268,996.40 and 372,871.20 is: 558,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,688.80 : 1,268,996.40 = 372,871.20 : x
  2. Step 2: Convert to fraction form
    846,688.80/1,268,996.40 = 372,871.20/x
  3. Step 3: Cross multiply
    846,688.80x = 1,268,996.40 × 372,871.20
  4. Step 4: Simplify right side
    846,688.80x = 473,172,210,463.68
  5. Step 5: Solve for x
    x = 473,172,210,463.68/846,688.80
  6. Step 6: Final answer
    x = 558,850.21

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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.