Home / 612,220.90-844,053.20-502,914.64

Finding the Fourth Proportional to 612,220.90, 844,053.20 and 502,914.64

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Solution

The fourth proportional to 612,220.90, 844,053.20 and 502,914.64 is: 693,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,220.90 : 844,053.20 = 502,914.64 : x
  2. Step 2: Convert to fraction form
    612,220.90/844,053.20 = 502,914.64/x
  3. Step 3: Cross multiply
    612,220.90x = 844,053.20 × 502,914.64
  4. Step 4: Simplify right side
    612,220.90x = 424,486,711,218.85
  5. Step 5: Solve for x
    x = 424,486,711,218.85/612,220.90
  6. Step 6: Final answer
    x = 693,355.47

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1.5x scale

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.