Home / 843,967.80-1,164,479.82-499,630.68

Finding the Fourth Proportional to 843,967.80, 1,164,479.82 and 499,630.68

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Solution

The fourth proportional to 843,967.80, 1,164,479.82 and 499,630.68 is: 689,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,967.80 : 1,164,479.82 = 499,630.68 : x
  2. Step 2: Convert to fraction form
    843,967.80/1,164,479.82 = 499,630.68/x
  3. Step 3: Cross multiply
    843,967.80x = 1,164,479.82 × 499,630.68
  4. Step 4: Simplify right side
    843,967.80x = 581,809,844,312.88
  5. Step 5: Solve for x
    x = 581,809,844,312.88/843,967.80
  6. Step 6: Final answer
    x = 689,374.46

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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.