Home / 913,246.89-1,369,879.75-407,833.62

Finding the Fourth Proportional to 913,246.89, 1,369,879.75 and 407,833.62

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Solution

The fourth proportional to 913,246.89, 1,369,879.75 and 407,833.62 is: 611,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,246.89 : 1,369,879.75 = 407,833.62 : x
  2. Step 2: Convert to fraction form
    913,246.89/1,369,879.75 = 407,833.62/x
  3. Step 3: Cross multiply
    913,246.89x = 1,369,879.75 × 407,833.62
  4. Step 4: Simplify right side
    913,246.89x = 558,683,017,407.20
  5. Step 5: Solve for x
    x = 558,683,017,407.20/913,246.89
  6. Step 6: Final answer
    x = 611,754.63

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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.