Home / 790,630.76-1,090,627.80-468,026.48

Finding the Fourth Proportional to 790,630.76, 1,090,627.80 and 468,026.48

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Solution

The fourth proportional to 790,630.76, 1,090,627.80 and 468,026.48 is: 645,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,630.76 : 1,090,627.80 = 468,026.48 : x
  2. Step 2: Convert to fraction form
    790,630.76/1,090,627.80 = 468,026.48/x
  3. Step 3: Cross multiply
    790,630.76x = 1,090,627.80 × 468,026.48
  4. Step 4: Simplify right side
    790,630.76x = 510,442,690,224.14
  5. Step 5: Solve for x
    x = 510,442,690,224.14/790,630.76
  6. Step 6: Final answer
    x = 645,614.51

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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.