Home / 880,003.80-1,320,005.70-580,822.20

Finding the Fourth Proportional to 880,003.80, 1,320,005.70 and 580,822.20

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Solution

The fourth proportional to 880,003.80, 1,320,005.70 and 580,822.20 is: 871,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,003.80 : 1,320,005.70 = 580,822.20 : x
  2. Step 2: Convert to fraction form
    880,003.80/1,320,005.70 = 580,822.20/x
  3. Step 3: Cross multiply
    880,003.80x = 1,320,005.70 × 580,822.20
  4. Step 4: Simplify right side
    880,003.80x = 766,688,614,686.54
  5. Step 5: Solve for x
    x = 766,688,614,686.54/880,003.80
  6. Step 6: Final answer
    x = 871,233.30

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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.