Home / 959,156.70-1,439,901.45-485,598.30

Finding the Fourth Proportional to 959,156.70, 1,439,901.45 and 485,598.30

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Solution

The fourth proportional to 959,156.70, 1,439,901.45 and 485,598.30 is: 728,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,156.70 : 1,439,901.45 = 485,598.30 : x
  2. Step 2: Convert to fraction form
    959,156.70/1,439,901.45 = 485,598.30/x
  3. Step 3: Cross multiply
    959,156.70x = 1,439,901.45 × 485,598.30
  4. Step 4: Simplify right side
    959,156.70x = 699,213,696,287.54
  5. Step 5: Solve for x
    x = 699,213,696,287.54/959,156.70
  6. Step 6: Final answer
    x = 728,987.97

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1.5x scale

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.