Home / 880,259.40-1,320,879.57-475,443.42

Finding the Fourth Proportional to 880,259.40, 1,320,879.57 and 475,443.42

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Solution

The fourth proportional to 880,259.40, 1,320,879.57 and 475,443.42 is: 713,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,259.40 : 1,320,879.57 = 475,443.42 : x
  2. Step 2: Convert to fraction form
    880,259.40/1,320,879.57 = 475,443.42/x
  3. Step 3: Cross multiply
    880,259.40x = 1,320,879.57 × 475,443.42
  4. Step 4: Simplify right side
    880,259.40x = 628,003,500,168.93
  5. Step 5: Solve for x
    x = 628,003,500,168.93/880,259.40
  6. Step 6: Final answer
    x = 713,430.04

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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.