Home / 730,537.80-1,008,139.21-408,247.82

Finding the Fourth Proportional to 730,537.80, 1,008,139.21 and 408,247.82

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Solution

The fourth proportional to 730,537.80, 1,008,139.21 and 408,247.82 is: 563,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,537.80 : 1,008,139.21 = 408,247.82 : x
  2. Step 2: Convert to fraction form
    730,537.80/1,008,139.21 = 408,247.82/x
  3. Step 3: Cross multiply
    730,537.80x = 1,008,139.21 × 408,247.82
  4. Step 4: Simplify right side
    730,537.80x = 411,570,634,739.02
  5. Step 5: Solve for x
    x = 411,570,634,739.02/730,537.80
  6. Step 6: Final answer
    x = 563,380.34

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Double scale
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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.