Home / 809,931.96-1,214,897.94-310,946.04

Finding the Fourth Proportional to 809,931.96, 1,214,897.94 and 310,946.04

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Solution

The fourth proportional to 809,931.96, 1,214,897.94 and 310,946.04 is: 466,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,931.96 : 1,214,897.94 = 310,946.04 : x
  2. Step 2: Convert to fraction form
    809,931.96/1,214,897.94 = 310,946.04/x
  3. Step 3: Cross multiply
    809,931.96x = 1,214,897.94 × 310,946.04
  4. Step 4: Simplify right side
    809,931.96x = 377,767,703,447.16
  5. Step 5: Solve for x
    x = 377,767,703,447.16/809,931.96
  6. Step 6: Final answer
    x = 466,419.06

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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.