Home / 764,985.40-1,144,853.70-701,999.80

Finding the Fourth Proportional to 764,985.40, 1,144,853.70 and 701,999.80

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Solution

The fourth proportional to 764,985.40, 1,144,853.70 and 701,999.80 is: 1,050,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,985.40 : 1,144,853.70 = 701,999.80 : x
  2. Step 2: Convert to fraction form
    764,985.40/1,144,853.70 = 701,999.80/x
  3. Step 3: Cross multiply
    764,985.40x = 1,144,853.70 × 701,999.80
  4. Step 4: Simplify right side
    764,985.40x = 803,687,068,429.26
  5. Step 5: Solve for x
    x = 803,687,068,429.26/764,985.40
  6. Step 6: Final answer
    x = 1,050,591.38

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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.