Home / 707,712.60-1,060,013.70-628,915.80

Finding the Fourth Proportional to 707,712.60, 1,060,013.70 and 628,915.80

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Solution

The fourth proportional to 707,712.60, 1,060,013.70 and 628,915.80 is: 941,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,712.60 : 1,060,013.70 = 628,915.80 : x
  2. Step 2: Convert to fraction form
    707,712.60/1,060,013.70 = 628,915.80/x
  3. Step 3: Cross multiply
    707,712.60x = 1,060,013.70 × 628,915.80
  4. Step 4: Simplify right side
    707,712.60x = 666,659,364,146.46
  5. Step 5: Solve for x
    x = 666,659,364,146.46/707,712.60
  6. Step 6: Final answer
    x = 941,991.66

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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.