Home / 850,354.20-1,173,488.67-468,380.97

Finding the Fourth Proportional to 850,354.20, 1,173,488.67 and 468,380.97

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Solution

The fourth proportional to 850,354.20, 1,173,488.67 and 468,380.97 is: 646,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,354.20 : 1,173,488.67 = 468,380.97 : x
  2. Step 2: Convert to fraction form
    850,354.20/1,173,488.67 = 468,380.97/x
  3. Step 3: Cross multiply
    850,354.20x = 1,173,488.67 × 468,380.97
  4. Step 4: Simplify right side
    850,354.20x = 549,639,761,538.61
  5. Step 5: Solve for x
    x = 549,639,761,538.61/850,354.20
  6. Step 6: Final answer
    x = 646,365.67

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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.