Home / 560,940.14-774,097.35-306,291.53

Finding the Fourth Proportional to 560,940.14, 774,097.35 and 306,291.53

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Solution

The fourth proportional to 560,940.14, 774,097.35 and 306,291.53 is: 422,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,940.14 : 774,097.35 = 306,291.53 : x
  2. Step 2: Convert to fraction form
    560,940.14/774,097.35 = 306,291.53/x
  3. Step 3: Cross multiply
    560,940.14x = 774,097.35 × 306,291.53
  4. Step 4: Simplify right side
    560,940.14x = 237,099,461,700.45
  5. Step 5: Solve for x
    x = 237,099,461,700.45/560,940.14
  6. Step 6: Final answer
    x = 422,682.29

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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.