Home / 811,170.10-1,216,886.37-337,903.30

Finding the Fourth Proportional to 811,170.10, 1,216,886.37 and 337,903.30

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Solution

The fourth proportional to 811,170.10, 1,216,886.37 and 337,903.30 is: 506,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,170.10 : 1,216,886.37 = 337,903.30 : x
  2. Step 2: Convert to fraction form
    811,170.10/1,216,886.37 = 337,903.30/x
  3. Step 3: Cross multiply
    811,170.10x = 1,216,886.37 × 337,903.30
  4. Step 4: Simplify right side
    811,170.10x = 411,189,920,148.02
  5. Step 5: Solve for x
    x = 411,189,920,148.02/811,170.10
  6. Step 6: Final answer
    x = 506,909.61

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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.