Home / 468,760.19-646,890.14-253,899.59

Finding the Fourth Proportional to 468,760.19, 646,890.14 and 253,899.59

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Solution

The fourth proportional to 468,760.19, 646,890.14 and 253,899.59 is: 350,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,760.19 : 646,890.14 = 253,899.59 : x
  2. Step 2: Convert to fraction form
    468,760.19/646,890.14 = 253,899.59/x
  3. Step 3: Cross multiply
    468,760.19x = 646,890.14 × 253,899.59
  4. Step 4: Simplify right side
    468,760.19x = 164,245,140,051.55
  5. Step 5: Solve for x
    x = 164,245,140,051.55/468,760.19
  6. Step 6: Final answer
    x = 350,382.02

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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.