Home / 560,821.28-773,904.07-306,123.26

Finding the Fourth Proportional to 560,821.28, 773,904.07 and 306,123.26

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Solution

The fourth proportional to 560,821.28, 773,904.07 and 306,123.26 is: 422,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,821.28 : 773,904.07 = 306,123.26 : x
  2. Step 2: Convert to fraction form
    560,821.28/773,904.07 = 306,123.26/x
  3. Step 3: Cross multiply
    560,821.28x = 773,904.07 × 306,123.26
  4. Step 4: Simplify right side
    560,821.28x = 236,910,036,835.67
  5. Step 5: Solve for x
    x = 236,910,036,835.67/560,821.28
  6. Step 6: Final answer
    x = 422,434.11

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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.