Home / 913,247.13-1,369,879.83-407,833.68

Finding the Fourth Proportional to 913,247.13, 1,369,879.83 and 407,833.68

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Solution

The fourth proportional to 913,247.13, 1,369,879.83 and 407,833.68 is: 611,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,247.13 : 1,369,879.83 = 407,833.68 : x
  2. Step 2: Convert to fraction form
    913,247.13/1,369,879.83 = 407,833.68/x
  3. Step 3: Cross multiply
    913,247.13x = 1,369,879.83 × 407,833.68
  4. Step 4: Simplify right side
    913,247.13x = 558,683,132,226.67
  5. Step 5: Solve for x
    x = 558,683,132,226.67/913,247.13
  6. Step 6: Final answer
    x = 611,754.60

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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.