Home / 818,725.20-1,228,087.80-551,036.40

Finding the Fourth Proportional to 818,725.20, 1,228,087.80 and 551,036.40

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Solution

The fourth proportional to 818,725.20, 1,228,087.80 and 551,036.40 is: 826,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,725.20 : 1,228,087.80 = 551,036.40 : x
  2. Step 2: Convert to fraction form
    818,725.20/1,228,087.80 = 551,036.40/x
  3. Step 3: Cross multiply
    818,725.20x = 1,228,087.80 × 551,036.40
  4. Step 4: Simplify right side
    818,725.20x = 676,721,080,195.92
  5. Step 5: Solve for x
    x = 676,721,080,195.92/818,725.20
  6. Step 6: Final answer
    x = 826,554.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.