Home / 670,628.40-1,005,942.60-626,013.60

Finding the Fourth Proportional to 670,628.40, 1,005,942.60 and 626,013.60

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Solution

The fourth proportional to 670,628.40, 1,005,942.60 and 626,013.60 is: 939,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,628.40 : 1,005,942.60 = 626,013.60 : x
  2. Step 2: Convert to fraction form
    670,628.40/1,005,942.60 = 626,013.60/x
  3. Step 3: Cross multiply
    670,628.40x = 1,005,942.60 × 626,013.60
  4. Step 4: Simplify right side
    670,628.40x = 629,733,748,419.36
  5. Step 5: Solve for x
    x = 629,733,748,419.36/670,628.40
  6. Step 6: Final answer
    x = 939,020.40

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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.