Home / 850,286.13-1,173,394.85-468,312.91

Finding the Fourth Proportional to 850,286.13, 1,173,394.85 and 468,312.91

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Solution

The fourth proportional to 850,286.13, 1,173,394.85 and 468,312.91 is: 646,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,286.13 : 1,173,394.85 = 468,312.91 : x
  2. Step 2: Convert to fraction form
    850,286.13/1,173,394.85 = 468,312.91/x
  3. Step 3: Cross multiply
    850,286.13x = 1,173,394.85 × 468,312.91
  4. Step 4: Simplify right side
    850,286.13x = 549,515,956,782.51
  5. Step 5: Solve for x
    x = 549,515,956,782.51/850,286.13
  6. Step 6: Final answer
    x = 646,271.81

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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.