Home / 880,021.41-1,320,587.43-374,581.57

Finding the Fourth Proportional to 880,021.41, 1,320,587.43 and 374,581.57

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Solution

The fourth proportional to 880,021.41, 1,320,587.43 and 374,581.57 is: 562,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,021.41 : 1,320,587.43 = 374,581.57 : x
  2. Step 2: Convert to fraction form
    880,021.41/1,320,587.43 = 374,581.57/x
  3. Step 3: Cross multiply
    880,021.41x = 1,320,587.43 × 374,581.57
  4. Step 4: Simplify right side
    880,021.41x = 494,667,712,851.67
  5. Step 5: Solve for x
    x = 494,667,712,851.67/880,021.41
  6. Step 6: Final answer
    x = 562,108.73

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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.