Home / 790,196.79-1,090,479.27-427,628.19

Finding the Fourth Proportional to 790,196.79, 1,090,479.27 and 427,628.19

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Solution

The fourth proportional to 790,196.79, 1,090,479.27 and 427,628.19 is: 590,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,196.79 : 1,090,479.27 = 427,628.19 : x
  2. Step 2: Convert to fraction form
    790,196.79/1,090,479.27 = 427,628.19/x
  3. Step 3: Cross multiply
    790,196.79x = 1,090,479.27 × 427,628.19
  4. Step 4: Simplify right side
    790,196.79x = 466,319,676,462.62
  5. Step 5: Solve for x
    x = 466,319,676,462.62/790,196.79
  6. Step 6: Final answer
    x = 590,131.07

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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.