Home / 835,621.73-1,153,162.70-491,472.17

Finding the Fourth Proportional to 835,621.73, 1,153,162.70 and 491,472.17

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Solution

The fourth proportional to 835,621.73, 1,153,162.70 and 491,472.17 is: 678,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,621.73 : 1,153,162.70 = 491,472.17 : x
  2. Step 2: Convert to fraction form
    835,621.73/1,153,162.70 = 491,472.17/x
  3. Step 3: Cross multiply
    835,621.73x = 1,153,162.70 × 491,472.17
  4. Step 4: Simplify right side
    835,621.73x = 566,747,374,532.06
  5. Step 5: Solve for x
    x = 566,747,374,532.06/835,621.73
  6. Step 6: Final answer
    x = 678,234.37

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1.5x scale

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.