Home / 662,011.30-992,922.64-212,674.04

Finding the Fourth Proportional to 662,011.30, 992,922.64 and 212,674.04

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Solution

The fourth proportional to 662,011.30, 992,922.64 and 212,674.04 is: 318,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,011.30 : 992,922.64 = 212,674.04 : x
  2. Step 2: Convert to fraction form
    662,011.30/992,922.64 = 212,674.04/x
  3. Step 3: Cross multiply
    662,011.30x = 992,922.64 × 212,674.04
  4. Step 4: Simplify right side
    662,011.30x = 211,168,868,724.58
  5. Step 5: Solve for x
    x = 211,168,868,724.58/662,011.30
  6. Step 6: Final answer
    x = 318,980.76

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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.