Home / 798,647.32-1,102,138.68-436,073.70

Finding the Fourth Proportional to 798,647.32, 1,102,138.68 and 436,073.70

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Solution

The fourth proportional to 798,647.32, 1,102,138.68 and 436,073.70 is: 601,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,647.32 : 1,102,138.68 = 436,073.70 : x
  2. Step 2: Convert to fraction form
    798,647.32/1,102,138.68 = 436,073.70/x
  3. Step 3: Cross multiply
    798,647.32x = 1,102,138.68 × 436,073.70
  4. Step 4: Simplify right side
    798,647.32x = 480,613,692,100.72
  5. Step 5: Solve for x
    x = 480,613,692,100.72/798,647.32
  6. Step 6: Final answer
    x = 601,784.64

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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.