Home / 809,799.84-1,116,800.64-523,018.08

Finding the Fourth Proportional to 809,799.84, 1,116,800.64 and 523,018.08

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Solution

The fourth proportional to 809,799.84, 1,116,800.64 and 523,018.08 is: 721,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,799.84 : 1,116,800.64 = 523,018.08 : x
  2. Step 2: Convert to fraction form
    809,799.84/1,116,800.64 = 523,018.08/x
  3. Step 3: Cross multiply
    809,799.84x = 1,116,800.64 × 523,018.08
  4. Step 4: Simplify right side
    809,799.84x = 584,106,926,475.57
  5. Step 5: Solve for x
    x = 584,106,926,475.57/809,799.84
  6. Step 6: Final answer
    x = 721,297.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.