Home / 820,829.88-1,132,764.29-514,919.15

Finding the Fourth Proportional to 820,829.88, 1,132,764.29 and 514,919.15

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Solution

The fourth proportional to 820,829.88, 1,132,764.29 and 514,919.15 is: 710,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,829.88 : 1,132,764.29 = 514,919.15 : x
  2. Step 2: Convert to fraction form
    820,829.88/1,132,764.29 = 514,919.15/x
  3. Step 3: Cross multiply
    820,829.88x = 1,132,764.29 × 514,919.15
  4. Step 4: Simplify right side
    820,829.88x = 583,282,017,118.74
  5. Step 5: Solve for x
    x = 583,282,017,118.74/820,829.88
  6. Step 6: Final answer
    x = 710,600.37

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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.