Home / 672,729.84-1,007,034.12-435,600.72

Finding the Fourth Proportional to 672,729.84, 1,007,034.12 and 435,600.72

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Solution

The fourth proportional to 672,729.84, 1,007,034.12 and 435,600.72 is: 652,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,729.84 : 1,007,034.12 = 435,600.72 : x
  2. Step 2: Convert to fraction form
    672,729.84/1,007,034.12 = 435,600.72/x
  3. Step 3: Cross multiply
    672,729.84x = 1,007,034.12 × 435,600.72
  4. Step 4: Simplify right side
    672,729.84x = 438,664,787,736.57
  5. Step 5: Solve for x
    x = 438,664,787,736.57/672,729.84
  6. Step 6: Final answer
    x = 652,066.79

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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.