Home / 811,166.85-1,216,881.49-337,900.05

Finding the Fourth Proportional to 811,166.85, 1,216,881.49 and 337,900.05

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Solution

The fourth proportional to 811,166.85, 1,216,881.49 and 337,900.05 is: 506,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,166.85 : 1,216,881.49 = 337,900.05 : x
  2. Step 2: Convert to fraction form
    811,166.85/1,216,881.49 = 337,900.05/x
  3. Step 3: Cross multiply
    811,166.85x = 1,216,881.49 × 337,900.05
  4. Step 4: Simplify right side
    811,166.85x = 411,184,316,315.07
  5. Step 5: Solve for x
    x = 411,184,316,315.07/811,166.85
  6. Step 6: Final answer
    x = 506,904.73

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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.