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Finding the Fourth Proportional to 433,585.80, 650,378.70 and 300,616.20

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Solution

The fourth proportional to 433,585.80, 650,378.70 and 300,616.20 is: 450,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,585.80 : 650,378.70 = 300,616.20 : x
  2. Step 2: Convert to fraction form
    433,585.80/650,378.70 = 300,616.20/x
  3. Step 3: Cross multiply
    433,585.80x = 650,378.70 × 300,616.20
  4. Step 4: Simplify right side
    433,585.80x = 195,514,373,354.94
  5. Step 5: Solve for x
    x = 195,514,373,354.94/433,585.80
  6. Step 6: Final answer
    x = 450,924.30

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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.