Home / 560,821.77-773,904.76-306,123.75

Finding the Fourth Proportional to 560,821.77, 773,904.76 and 306,123.75

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Solution

The fourth proportional to 560,821.77, 773,904.76 and 306,123.75 is: 422,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,821.77 : 773,904.76 = 306,123.75 : x
  2. Step 2: Convert to fraction form
    560,821.77/773,904.76 = 306,123.75/x
  3. Step 3: Cross multiply
    560,821.77x = 773,904.76 × 306,123.75
  4. Step 4: Simplify right side
    560,821.77x = 236,910,627,274.05
  5. Step 5: Solve for x
    x = 236,910,627,274.05/560,821.77
  6. Step 6: Final answer
    x = 422,434.79

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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.