Home / 880,008.43-1,214,412.13-477,600.43

Finding the Fourth Proportional to 880,008.43, 1,214,412.13 and 477,600.43

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Solution

The fourth proportional to 880,008.43, 1,214,412.13 and 477,600.43 is: 659,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.43 : 1,214,412.13 = 477,600.43 : x
  2. Step 2: Convert to fraction form
    880,008.43/1,214,412.13 = 477,600.43/x
  3. Step 3: Cross multiply
    880,008.43x = 1,214,412.13 × 477,600.43
  4. Step 4: Simplify right side
    880,008.43x = 580,003,755,485.22
  5. Step 5: Solve for x
    x = 580,003,755,485.22/880,008.43
  6. Step 6: Final answer
    x = 659,088.86

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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.