Home / 817,063.40-1,223,175.90-607,629.80

Finding the Fourth Proportional to 817,063.40, 1,223,175.90 and 607,629.80

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Solution

The fourth proportional to 817,063.40, 1,223,175.90 and 607,629.80 is: 909,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,063.40 : 1,223,175.90 = 607,629.80 : x
  2. Step 2: Convert to fraction form
    817,063.40/1,223,175.90 = 607,629.80/x
  3. Step 3: Cross multiply
    817,063.40x = 1,223,175.90 × 607,629.80
  4. Step 4: Simplify right side
    817,063.40x = 743,238,127,481.82
  5. Step 5: Solve for x
    x = 743,238,127,481.82/817,063.40
  6. Step 6: Final answer
    x = 909,645.60

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1.5x scale

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.