Home / 739,209.90-1,020,109.41-416,919.27

Finding the Fourth Proportional to 739,209.90, 1,020,109.41 and 416,919.27

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Solution

The fourth proportional to 739,209.90, 1,020,109.41 and 416,919.27 is: 575,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,209.90 : 1,020,109.41 = 416,919.27 : x
  2. Step 2: Convert to fraction form
    739,209.90/1,020,109.41 = 416,919.27/x
  3. Step 3: Cross multiply
    739,209.90x = 1,020,109.41 × 416,919.27
  4. Step 4: Simplify right side
    739,209.90x = 425,303,270,537.33
  5. Step 5: Solve for x
    x = 425,303,270,537.33/739,209.90
  6. Step 6: Final answer
    x = 575,348.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.