Home / 762,103.08-1,142,237.70-281,948.04

Finding the Fourth Proportional to 762,103.08, 1,142,237.70 and 281,948.04

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Solution

The fourth proportional to 762,103.08, 1,142,237.70 and 281,948.04 is: 422,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,103.08 : 1,142,237.70 = 281,948.04 : x
  2. Step 2: Convert to fraction form
    762,103.08/1,142,237.70 = 281,948.04/x
  3. Step 3: Cross multiply
    762,103.08x = 1,142,237.70 × 281,948.04
  4. Step 4: Simplify right side
    762,103.08x = 322,051,680,729.11
  5. Step 5: Solve for x
    x = 322,051,680,729.11/762,103.08
  6. Step 6: Final answer
    x = 422,582.84

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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.