Home / 850,489.27-1,173,619.40-468,516.02

Finding the Fourth Proportional to 850,489.27, 1,173,619.40 and 468,516.02

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Solution

The fourth proportional to 850,489.27, 1,173,619.40 and 468,516.02 is: 646,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,489.27 : 1,173,619.40 = 468,516.02 : x
  2. Step 2: Convert to fraction form
    850,489.27/1,173,619.40 = 468,516.02/x
  3. Step 3: Cross multiply
    850,489.27x = 1,173,619.40 × 468,516.02
  4. Step 4: Simplify right side
    850,489.27x = 549,859,482,072.11
  5. Step 5: Solve for x
    x = 549,859,482,072.11/850,489.27
  6. Step 6: Final answer
    x = 646,521.36

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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.