Home / 731,990.05-1,093,002.53-645,883.30

Finding the Fourth Proportional to 731,990.05, 1,093,002.53 and 645,883.30

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Solution

The fourth proportional to 731,990.05, 1,093,002.53 and 645,883.30 is: 964,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,990.05 : 1,093,002.53 = 645,883.30 : x
  2. Step 2: Convert to fraction form
    731,990.05/1,093,002.53 = 645,883.30/x
  3. Step 3: Cross multiply
    731,990.05x = 1,093,002.53 × 645,883.30
  4. Step 4: Simplify right side
    731,990.05x = 705,952,080,984.75
  5. Step 5: Solve for x
    x = 705,952,080,984.75/731,990.05
  6. Step 6: Final answer
    x = 964,428.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.