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Finding the Fourth Proportional to 560,278.64, 773,161.68 and 330,910.16

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Solution

The fourth proportional to 560,278.64, 773,161.68 and 330,910.16 is: 456,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,278.64 : 773,161.68 = 330,910.16 : x
  2. Step 2: Convert to fraction form
    560,278.64/773,161.68 = 330,910.16/x
  3. Step 3: Cross multiply
    560,278.64x = 773,161.68 × 330,910.16
  4. Step 4: Simplify right side
    560,278.64x = 255,847,055,234.67
  5. Step 5: Solve for x
    x = 255,847,055,234.67/560,278.64
  6. Step 6: Final answer
    x = 456,642.53

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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.