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Finding the Fourth Proportional to 561,790.98, 775,210.77 and 332,356.86

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Solution

The fourth proportional to 561,790.98, 775,210.77 and 332,356.86 is: 458,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,790.98 : 775,210.77 = 332,356.86 : x
  2. Step 2: Convert to fraction form
    561,790.98/775,210.77 = 332,356.86/x
  3. Step 3: Cross multiply
    561,790.98x = 775,210.77 × 332,356.86
  4. Step 4: Simplify right side
    561,790.98x = 257,646,617,355.38
  5. Step 5: Solve for x
    x = 257,646,617,355.38/561,790.98
  6. Step 6: Final answer
    x = 458,616.51

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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.