Home / 763,636.28-1,053,820.52-424,104.52

Finding the Fourth Proportional to 763,636.28, 1,053,820.52 and 424,104.52

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Solution

The fourth proportional to 763,636.28, 1,053,820.52 and 424,104.52 is: 585,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,636.28 : 1,053,820.52 = 424,104.52 : x
  2. Step 2: Convert to fraction form
    763,636.28/1,053,820.52 = 424,104.52/x
  3. Step 3: Cross multiply
    763,636.28x = 1,053,820.52 × 424,104.52
  4. Step 4: Simplify right side
    763,636.28x = 446,930,045,800.75
  5. Step 5: Solve for x
    x = 446,930,045,800.75/763,636.28
  6. Step 6: Final answer
    x = 585,265.60

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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.