Home / 808,660.94-1,116,310.68-522,320.67

Finding the Fourth Proportional to 808,660.94, 1,116,310.68 and 522,320.67

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Solution

The fourth proportional to 808,660.94, 1,116,310.68 and 522,320.67 is: 721,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,660.94 : 1,116,310.68 = 522,320.67 : x
  2. Step 2: Convert to fraction form
    808,660.94/1,116,310.68 = 522,320.67/x
  3. Step 3: Cross multiply
    808,660.94x = 1,116,310.68 × 522,320.67
  4. Step 4: Simplify right side
    808,660.94x = 583,072,142,305.76
  5. Step 5: Solve for x
    x = 583,072,142,305.76/808,660.94
  6. Step 6: Final answer
    x = 721,034.14

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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.