Home / 739,282.08-1,020,221.01-416,998.59

Finding the Fourth Proportional to 739,282.08, 1,020,221.01 and 416,998.59

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Solution

The fourth proportional to 739,282.08, 1,020,221.01 and 416,998.59 is: 575,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,282.08 : 1,020,221.01 = 416,998.59 : x
  2. Step 2: Convert to fraction form
    739,282.08/1,020,221.01 = 416,998.59/x
  3. Step 3: Cross multiply
    739,282.08x = 1,020,221.01 × 416,998.59
  4. Step 4: Simplify right side
    739,282.08x = 425,430,722,658.38
  5. Step 5: Solve for x
    x = 425,430,722,658.38/739,282.08
  6. Step 6: Final answer
    x = 575,464.68

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Double scale
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Similar ratio
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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.