Home / 811,076.70-1,216,601.68-242,459.13

Finding the Fourth Proportional to 811,076.70, 1,216,601.68 and 242,459.13

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Solution

The fourth proportional to 811,076.70, 1,216,601.68 and 242,459.13 is: 363,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,076.70 : 1,216,601.68 = 242,459.13 : x
  2. Step 2: Convert to fraction form
    811,076.70/1,216,601.68 = 242,459.13/x
  3. Step 3: Cross multiply
    811,076.70x = 1,216,601.68 × 242,459.13
  4. Step 4: Simplify right side
    811,076.70x = 294,976,184,889.34
  5. Step 5: Solve for x
    x = 294,976,184,889.34/811,076.70
  6. Step 6: Final answer
    x = 363,684.70

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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.