Home / 560,037.94-772,824.36-318,288.58

Finding the Fourth Proportional to 560,037.94, 772,824.36 and 318,288.58

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Solution

The fourth proportional to 560,037.94, 772,824.36 and 318,288.58 is: 439,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,037.94 : 772,824.36 = 318,288.58 : x
  2. Step 2: Convert to fraction form
    560,037.94/772,824.36 = 318,288.58/x
  3. Step 3: Cross multiply
    560,037.94x = 772,824.36 × 318,288.58
  4. Step 4: Simplify right side
    560,037.94x = 245,981,168,133.81
  5. Step 5: Solve for x
    x = 245,981,168,133.81/560,037.94
  6. Step 6: Final answer
    x = 439,222.33

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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.