Home / 949,036.33-1,309,179.66-643,008.01

Finding the Fourth Proportional to 949,036.33, 1,309,179.66 and 643,008.01

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Solution

The fourth proportional to 949,036.33, 1,309,179.66 and 643,008.01 is: 887,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,036.33 : 1,309,179.66 = 643,008.01 : x
  2. Step 2: Convert to fraction form
    949,036.33/1,309,179.66 = 643,008.01/x
  3. Step 3: Cross multiply
    949,036.33x = 1,309,179.66 × 643,008.01
  4. Step 4: Simplify right side
    949,036.33x = 841,813,007,909.08
  5. Step 5: Solve for x
    x = 841,813,007,909.08/949,036.33
  6. Step 6: Final answer
    x = 887,018.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.