Home / 647,784.20-970,364.10-366,973.40

Finding the Fourth Proportional to 647,784.20, 970,364.10 and 366,973.40

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Solution

The fourth proportional to 647,784.20, 970,364.10 and 366,973.40 is: 549,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,784.20 : 970,364.10 = 366,973.40 : x
  2. Step 2: Convert to fraction form
    647,784.20/970,364.10 = 366,973.40/x
  3. Step 3: Cross multiply
    647,784.20x = 970,364.10 × 366,973.40
  4. Step 4: Simplify right side
    647,784.20x = 356,097,813,014.94
  5. Step 5: Solve for x
    x = 356,097,813,014.94/647,784.20
  6. Step 6: Final answer
    x = 549,716.73

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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.