Home / 912,717.22-1,368,784.68-313,533.90

Finding the Fourth Proportional to 912,717.22, 1,368,784.68 and 313,533.90

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Solution

The fourth proportional to 912,717.22, 1,368,784.68 and 313,533.90 is: 470,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,717.22 : 1,368,784.68 = 313,533.90 : x
  2. Step 2: Convert to fraction form
    912,717.22/1,368,784.68 = 313,533.90/x
  3. Step 3: Cross multiply
    912,717.22x = 1,368,784.68 × 313,533.90
  4. Step 4: Simplify right side
    912,717.22x = 429,160,392,920.56
  5. Step 5: Solve for x
    x = 429,160,392,920.56/912,717.22
  6. Step 6: Final answer
    x = 470,200.83

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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.