Home / 957,168.28-1,320,875.28-521,589.47

Finding the Fourth Proportional to 957,168.28, 1,320,875.28 and 521,589.47

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Solution

The fourth proportional to 957,168.28, 1,320,875.28 and 521,589.47 is: 719,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,168.28 : 1,320,875.28 = 521,589.47 : x
  2. Step 2: Convert to fraction form
    957,168.28/1,320,875.28 = 521,589.47/x
  3. Step 3: Cross multiply
    957,168.28x = 1,320,875.28 × 521,589.47
  4. Step 4: Simplify right side
    957,168.28x = 688,954,637,231.30
  5. Step 5: Solve for x
    x = 688,954,637,231.30/957,168.28
  6. Step 6: Final answer
    x = 719,784.23

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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.