Home / 560,036.94-772,822.98-318,287.58

Finding the Fourth Proportional to 560,036.94, 772,822.98 and 318,287.58

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Solution

The fourth proportional to 560,036.94, 772,822.98 and 318,287.58 is: 439,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,036.94 : 772,822.98 = 318,287.58 : x
  2. Step 2: Convert to fraction form
    560,036.94/772,822.98 = 318,287.58/x
  3. Step 3: Cross multiply
    560,036.94x = 772,822.98 × 318,287.58
  4. Step 4: Simplify right side
    560,036.94x = 245,979,956,072.59
  5. Step 5: Solve for x
    x = 245,979,956,072.59/560,036.94
  6. Step 6: Final answer
    x = 439,220.95

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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.