Home / 811,269.20-1,216,903.80-337,797.20

Finding the Fourth Proportional to 811,269.20, 1,216,903.80 and 337,797.20

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Solution

The fourth proportional to 811,269.20, 1,216,903.80 and 337,797.20 is: 506,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,269.20 : 1,216,903.80 = 337,797.20 : x
  2. Step 2: Convert to fraction form
    811,269.20/1,216,903.80 = 337,797.20/x
  3. Step 3: Cross multiply
    811,269.20x = 1,216,903.80 × 337,797.20
  4. Step 4: Simplify right side
    811,269.20x = 411,066,696,309.36
  5. Step 5: Solve for x
    x = 411,066,696,309.36/811,269.20
  6. Step 6: Final answer
    x = 506,695.80

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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.