Home / 693,620.40-1,040,430.60-652,148.40

Finding the Fourth Proportional to 693,620.40, 1,040,430.60 and 652,148.40

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Solution

The fourth proportional to 693,620.40, 1,040,430.60 and 652,148.40 is: 978,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,620.40 : 1,040,430.60 = 652,148.40 : x
  2. Step 2: Convert to fraction form
    693,620.40/1,040,430.60 = 652,148.40/x
  3. Step 3: Cross multiply
    693,620.40x = 1,040,430.60 × 652,148.40
  4. Step 4: Simplify right side
    693,620.40x = 678,515,151,101.04
  5. Step 5: Solve for x
    x = 678,515,151,101.04/693,620.40
  6. Step 6: Final answer
    x = 978,222.60

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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.