Home / 526,890.20-788,492.10-482,653.40

Finding the Fourth Proportional to 526,890.20, 788,492.10 and 482,653.40

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Solution

The fourth proportional to 526,890.20, 788,492.10 and 482,653.40 is: 722,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,890.20 : 788,492.10 = 482,653.40 : x
  2. Step 2: Convert to fraction form
    526,890.20/788,492.10 = 482,653.40/x
  3. Step 3: Cross multiply
    526,890.20x = 788,492.10 × 482,653.40
  4. Step 4: Simplify right side
    526,890.20x = 380,568,392,938.14
  5. Step 5: Solve for x
    x = 380,568,392,938.14/526,890.20
  6. Step 6: Final answer
    x = 722,291.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.