Home / 806,857.34-1,209,872.90-451,776.02

Finding the Fourth Proportional to 806,857.34, 1,209,872.90 and 451,776.02

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Solution

The fourth proportional to 806,857.34, 1,209,872.90 and 451,776.02 is: 677,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,857.34 : 1,209,872.90 = 451,776.02 : x
  2. Step 2: Convert to fraction form
    806,857.34/1,209,872.90 = 451,776.02/x
  3. Step 3: Cross multiply
    806,857.34x = 1,209,872.90 × 451,776.02
  4. Step 4: Simplify right side
    806,857.34x = 546,591,558,547.93
  5. Step 5: Solve for x
    x = 546,591,558,547.93/806,857.34
  6. Step 6: Final answer
    x = 677,432.72

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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.