Home / 790,225.27-1,090,512.81-427,651.77

Finding the Fourth Proportional to 790,225.27, 1,090,512.81 and 427,651.77

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Solution

The fourth proportional to 790,225.27, 1,090,512.81 and 427,651.77 is: 590,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,225.27 : 1,090,512.81 = 427,651.77 : x
  2. Step 2: Convert to fraction form
    790,225.27/1,090,512.81 = 427,651.77/x
  3. Step 3: Cross multiply
    790,225.27x = 1,090,512.81 × 427,651.77
  4. Step 4: Simplify right side
    790,225.27x = 466,359,727,711.06
  5. Step 5: Solve for x
    x = 466,359,727,711.06/790,225.27
  6. Step 6: Final answer
    x = 590,160.49

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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.