Home / 762,176.12-1,143,264.59-193,599.86

Finding the Fourth Proportional to 762,176.12, 1,143,264.59 and 193,599.86

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Solution

The fourth proportional to 762,176.12, 1,143,264.59 and 193,599.86 is: 290,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,176.12 : 1,143,264.59 = 193,599.86 : x
  2. Step 2: Convert to fraction form
    762,176.12/1,143,264.59 = 193,599.86/x
  3. Step 3: Cross multiply
    762,176.12x = 1,143,264.59 × 193,599.86
  4. Step 4: Simplify right side
    762,176.12x = 221,335,863,598.96
  5. Step 5: Solve for x
    x = 221,335,863,598.96/762,176.12
  6. Step 6: Final answer
    x = 290,399.89

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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.